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Finding the Fourth Proportional to 126,612,114.90, 177,660,068.70 and 126,612,114.90

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Solution

The fourth proportional to 126,612,114.90, 177,660,068.70 and 126,612,114.90 is: 177,660,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,612,114.90 : 177,660,068.70 = 126,612,114.90 : x
  2. Step 2: Convert to fraction form
    126,612,114.90/177,660,068.70 = 126,612,114.90/x
  3. Step 3: Cross multiply
    126,612,114.90x = 177,660,068.70 × 126,612,114.90
  4. Step 4: Simplify right side
    126,612,114.90x = 22,493,917,031,386,292
  5. Step 5: Solve for x
    x = 22,493,917,031,386,292/126,612,114.90
  6. Step 6: Final answer
    x = 177,660,068.70

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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.