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Finding the Fourth Proportional to 55,459.60, 83,124.60 and 29,150.80

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Solution

The fourth proportional to 55,459.60, 83,124.60 and 29,150.80 is: 43,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459.60 : 83,124.60 = 29,150.80 : x
  2. Step 2: Convert to fraction form
    55,459.60/83,124.60 = 29,150.80/x
  3. Step 3: Cross multiply
    55,459.60x = 83,124.60 × 29,150.80
  4. Step 4: Simplify right side
    55,459.60x = 2,423,148,589.68
  5. Step 5: Solve for x
    x = 2,423,148,589.68/55,459.60
  6. Step 6: Final answer
    x = 43,692.14

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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.