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Finding the Fourth Proportional to 124,871,569.30, 187,307,353.95 and 124,871,569.30

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Solution

The fourth proportional to 124,871,569.30, 187,307,353.95 and 124,871,569.30 is: 187,307,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,871,569.30 : 187,307,353.95 = 124,871,569.30 : x
  2. Step 2: Convert to fraction form
    124,871,569.30/187,307,353.95 = 124,871,569.30/x
  3. Step 3: Cross multiply
    124,871,569.30x = 187,307,353.95 × 124,871,569.30
  4. Step 4: Simplify right side
    124,871,569.30x = 23,389,363,229,167,052
  5. Step 5: Solve for x
    x = 23,389,363,229,167,052/124,871,569.30
  6. Step 6: Final answer
    x = 187,307,353.95

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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.