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Finding the Fourth Proportional to 59,139.40, 88,773.90 and 36,977.80

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Solution

The fourth proportional to 59,139.40, 88,773.90 and 36,977.80 is: 55,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,139.40 : 88,773.90 = 36,977.80 : x
  2. Step 2: Convert to fraction form
    59,139.40/88,773.90 = 36,977.80/x
  3. Step 3: Cross multiply
    59,139.40x = 88,773.90 × 36,977.80
  4. Step 4: Simplify right side
    59,139.40x = 3,282,663,519.42
  5. Step 5: Solve for x
    x = 3,282,663,519.42/59,139.40
  6. Step 6: Final answer
    x = 55,507.22

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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.