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Finding the Fourth Proportional to 59,794,865.80, 89,692,298.70 and 14,356,660.30

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Solution

The fourth proportional to 59,794,865.80, 89,692,298.70 and 14,356,660.30 is: 21,534,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794,865.80 : 89,692,298.70 = 14,356,660.30 : x
  2. Step 2: Convert to fraction form
    59,794,865.80/89,692,298.70 = 14,356,660.30/x
  3. Step 3: Cross multiply
    59,794,865.80x = 89,692,298.70 × 14,356,660.30
  4. Step 4: Simplify right side
    59,794,865.80x = 1,287,681,863,962,031.75
  5. Step 5: Solve for x
    x = 1,287,681,863,962,031.75/59,794,865.80
  6. Step 6: Final answer
    x = 21,534,990.45

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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.