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Finding the Fourth Proportional to 124,006.65, 171,121.52 and 69,555.83

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Solution

The fourth proportional to 124,006.65, 171,121.52 and 69,555.83 is: 95,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,006.65 : 171,121.52 = 69,555.83 : x
  2. Step 2: Convert to fraction form
    124,006.65/171,121.52 = 69,555.83/x
  3. Step 3: Cross multiply
    124,006.65x = 171,121.52 × 69,555.83
  4. Step 4: Simplify right side
    124,006.65x = 11,902,498,151.07
  5. Step 5: Solve for x
    x = 11,902,498,151.07/124,006.65
  6. Step 6: Final answer
    x = 95,982.74

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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.