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Finding the Fourth Proportional to 269,402,862.70, 404,104,294.05 and 87,650,040.70

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Solution

The fourth proportional to 269,402,862.70, 404,104,294.05 and 87,650,040.70 is: 131,475,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,402,862.70 : 404,104,294.05 = 87,650,040.70 : x
  2. Step 2: Convert to fraction form
    269,402,862.70/404,104,294.05 = 87,650,040.70/x
  3. Step 3: Cross multiply
    269,402,862.70x = 404,104,294.05 × 87,650,040.70
  4. Step 4: Simplify right side
    269,402,862.70x = 35,419,757,820,527,272
  5. Step 5: Solve for x
    x = 35,419,757,820,527,272/269,402,862.70
  6. Step 6: Final answer
    x = 131,475,061.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.