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Finding the Fourth Proportional to 59,871,574.80, 89,807,362.20 and 38,348,214.30

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Solution

The fourth proportional to 59,871,574.80, 89,807,362.20 and 38,348,214.30 is: 57,522,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871,574.80 : 89,807,362.20 = 38,348,214.30 : x
  2. Step 2: Convert to fraction form
    59,871,574.80/89,807,362.20 = 38,348,214.30/x
  3. Step 3: Cross multiply
    59,871,574.80x = 89,807,362.20 × 38,348,214.30
  4. Step 4: Simplify right side
    59,871,574.80x = 3,443,951,971,363,319.50
  5. Step 5: Solve for x
    x = 3,443,951,971,363,319.50/59,871,574.80
  6. Step 6: Final answer
    x = 57,522,321.45

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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.