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Finding the Fourth Proportional to 122,737.83, 169,358.46 and 69,019.65

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Solution

The fourth proportional to 122,737.83, 169,358.46 and 69,019.65 is: 95,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737.83 : 169,358.46 = 69,019.65 : x
  2. Step 2: Convert to fraction form
    122,737.83/169,358.46 = 69,019.65/x
  3. Step 3: Cross multiply
    122,737.83x = 169,358.46 × 69,019.65
  4. Step 4: Simplify right side
    122,737.83x = 11,689,061,633.74
  5. Step 5: Solve for x
    x = 11,689,061,633.74/122,737.83
  6. Step 6: Final answer
    x = 95,236.01

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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.