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Finding the Fourth Proportional to 60,795,398.52, 91,202,545.44 and 20,415,330.36

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Solution

The fourth proportional to 60,795,398.52, 91,202,545.44 and 20,415,330.36 is: 30,626,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,795,398.52 : 91,202,545.44 = 20,415,330.36 : x
  2. Step 2: Convert to fraction form
    60,795,398.52/91,202,545.44 = 20,415,330.36/x
  3. Step 3: Cross multiply
    60,795,398.52x = 91,202,545.44 × 20,415,330.36
  4. Step 4: Simplify right side
    60,795,398.52x = 1,861,930,094,830,511.50
  5. Step 5: Solve for x
    x = 1,861,930,094,830,511.50/60,795,398.52
  6. Step 6: Final answer
    x = 30,626,168.10

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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.