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Finding the Fourth Proportional to 207,241,871.20, 310,862,806.80 and 63,616,040.80

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Solution

The fourth proportional to 207,241,871.20, 310,862,806.80 and 63,616,040.80 is: 95,424,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,241,871.20 : 310,862,806.80 = 63,616,040.80 : x
  2. Step 2: Convert to fraction form
    207,241,871.20/310,862,806.80 = 63,616,040.80/x
  3. Step 3: Cross multiply
    207,241,871.20x = 310,862,806.80 × 63,616,040.80
  4. Step 4: Simplify right side
    207,241,871.20x = 19,775,861,000,591,316
  5. Step 5: Solve for x
    x = 19,775,861,000,591,316/207,241,871.20
  6. Step 6: Final answer
    x = 95,424,061.20

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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.