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Finding the Fourth Proportional to 59,899,481.92, 89,612,817.12 and 45,368,261.12

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Solution

The fourth proportional to 59,899,481.92, 89,612,817.12 and 45,368,261.12 is: 67,873,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899,481.92 : 89,612,817.12 = 45,368,261.12 : x
  2. Step 2: Convert to fraction form
    59,899,481.92/89,612,817.12 = 45,368,261.12/x
  3. Step 3: Cross multiply
    59,899,481.92x = 89,612,817.12 × 45,368,261.12
  4. Step 4: Simplify right side
    59,899,481.92x = 4,065,577,686,798,966.50
  5. Step 5: Solve for x
    x = 4,065,577,686,798,966.50/59,899,481.92
  6. Step 6: Final answer
    x = 67,873,336.40

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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.