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Finding the Fourth Proportional to 176,451.90, 243,476.20 and 104,830.08

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Solution

The fourth proportional to 176,451.90, 243,476.20 and 104,830.08 is: 144,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,451.90 : 243,476.20 = 104,830.08 : x
  2. Step 2: Convert to fraction form
    176,451.90/243,476.20 = 104,830.08/x
  3. Step 3: Cross multiply
    176,451.90x = 243,476.20 × 104,830.08
  4. Step 4: Simplify right side
    176,451.90x = 25,523,629,524.10
  5. Step 5: Solve for x
    x = 25,523,629,524.10/176,451.90
  6. Step 6: Final answer
    x = 144,649.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.