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Finding the Fourth Proportional to 106,458.60, 159,687.90 and 50,280.24

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Solution

The fourth proportional to 106,458.60, 159,687.90 and 50,280.24 is: 75,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458.60 : 159,687.90 = 50,280.24 : x
  2. Step 2: Convert to fraction form
    106,458.60/159,687.90 = 50,280.24/x
  3. Step 3: Cross multiply
    106,458.60x = 159,687.90 × 50,280.24
  4. Step 4: Simplify right side
    106,458.60x = 8,029,145,937.10
  5. Step 5: Solve for x
    x = 8,029,145,937.10/106,458.60
  6. Step 6: Final answer
    x = 75,420.36

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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.