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Finding the Fourth Proportional to 269,688,265.60, 404,532,398.40 and 87,935,443.60

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Solution

The fourth proportional to 269,688,265.60, 404,532,398.40 and 87,935,443.60 is: 131,903,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,688,265.60 : 404,532,398.40 = 87,935,443.60 : x
  2. Step 2: Convert to fraction form
    269,688,265.60/404,532,398.40 = 87,935,443.60/x
  3. Step 3: Cross multiply
    269,688,265.60x = 404,532,398.40 × 87,935,443.60
  4. Step 4: Simplify right side
    269,688,265.60x = 35,572,735,903,875,924
  5. Step 5: Solve for x
    x = 35,572,735,903,875,924/269,688,265.60
  6. Step 6: Final answer
    x = 131,903,165.40

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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.