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Finding the Fourth Proportional to 71,155.60, 106,704.60 and 24,384.40

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Solution

The fourth proportional to 71,155.60, 106,704.60 and 24,384.40 is: 36,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,155.60 : 106,704.60 = 24,384.40 : x
  2. Step 2: Convert to fraction form
    71,155.60/106,704.60 = 24,384.40/x
  3. Step 3: Cross multiply
    71,155.60x = 106,704.60 × 24,384.40
  4. Step 4: Simplify right side
    71,155.60x = 2,601,927,648.24
  5. Step 5: Solve for x
    x = 2,601,927,648.24/71,155.60
  6. Step 6: Final answer
    x = 36,566.73

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1.5x scale

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.