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Finding the Fourth Proportional to 59,840,144.80, 89,764,882.80 and 25,762,602.40

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Solution

The fourth proportional to 59,840,144.80, 89,764,882.80 and 25,762,602.40 is: 38,645,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,840,144.80 : 89,764,882.80 = 25,762,602.40 : x
  2. Step 2: Convert to fraction form
    59,840,144.80/89,764,882.80 = 25,762,602.40/x
  3. Step 3: Cross multiply
    59,840,144.80x = 89,764,882.80 × 25,762,602.40
  4. Step 4: Simplify right side
    59,840,144.80x = 2,312,576,985,058,998.50
  5. Step 5: Solve for x
    x = 2,312,576,985,058,998.50/59,840,144.80
  6. Step 6: Final answer
    x = 38,645,912.25

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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.