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Finding the Fourth Proportional to 124,216.38, 186,267.24 and 39,960.90

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Solution

The fourth proportional to 124,216.38, 186,267.24 and 39,960.90 is: 59,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216.38 : 186,267.24 = 39,960.90 : x
  2. Step 2: Convert to fraction form
    124,216.38/186,267.24 = 39,960.90/x
  3. Step 3: Cross multiply
    124,216.38x = 186,267.24 × 39,960.90
  4. Step 4: Simplify right side
    124,216.38x = 7,443,406,550.92
  5. Step 5: Solve for x
    x = 7,443,406,550.92/124,216.38
  6. Step 6: Final answer
    x = 59,922.91

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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.