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Finding the Fourth Proportional to 101,737.92, 140,391.48 and 56,414.24

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Solution

The fourth proportional to 101,737.92, 140,391.48 and 56,414.24 is: 77,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,737.92 : 140,391.48 = 56,414.24 : x
  2. Step 2: Convert to fraction form
    101,737.92/140,391.48 = 56,414.24/x
  3. Step 3: Cross multiply
    101,737.92x = 140,391.48 × 56,414.24
  4. Step 4: Simplify right side
    101,737.92x = 7,920,077,662.65
  5. Step 5: Solve for x
    x = 7,920,077,662.65/101,737.92
  6. Step 6: Final answer
    x = 77,847.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.