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Finding the Fourth Proportional to 124,416,126.90, 174,361,736.70 and 124,416,126.90

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Solution

The fourth proportional to 124,416,126.90, 174,361,736.70 and 124,416,126.90 is: 174,361,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,126.90 : 174,361,736.70 = 124,416,126.90 : x
  2. Step 2: Convert to fraction form
    124,416,126.90/174,361,736.70 = 124,416,126.90/x
  3. Step 3: Cross multiply
    124,416,126.90x = 174,361,736.70 × 124,416,126.90
  4. Step 4: Simplify right side
    124,416,126.90x = 21,693,411,959,771,588
  5. Step 5: Solve for x
    x = 21,693,411,959,771,588/124,416,126.90
  6. Step 6: Final answer
    x = 174,361,736.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.