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Finding the Fourth Proportional to 60,581,220.60, 90,871,830.90 and 36,394,750.20

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Solution

The fourth proportional to 60,581,220.60, 90,871,830.90 and 36,394,750.20 is: 54,592,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581,220.60 : 90,871,830.90 = 36,394,750.20 : x
  2. Step 2: Convert to fraction form
    60,581,220.60/90,871,830.90 = 36,394,750.20/x
  3. Step 3: Cross multiply
    60,581,220.60x = 90,871,830.90 × 36,394,750.20
  4. Step 4: Simplify right side
    60,581,220.60x = 3,307,257,585,822,141.50
  5. Step 5: Solve for x
    x = 3,307,257,585,822,141.50/60,581,220.60
  6. Step 6: Final answer
    x = 54,592,125.30

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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.