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Finding the Fourth Proportional to 150,060.65, 207,101.57 and 86,410.85

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Solution

The fourth proportional to 150,060.65, 207,101.57 and 86,410.85 is: 119,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,060.65 : 207,101.57 = 86,410.85 : x
  2. Step 2: Convert to fraction form
    150,060.65/207,101.57 = 86,410.85/x
  3. Step 3: Cross multiply
    150,060.65x = 207,101.57 × 86,410.85
  4. Step 4: Simplify right side
    150,060.65x = 17,895,822,700.03
  5. Step 5: Solve for x
    x = 17,895,822,700.03/150,060.65
  6. Step 6: Final answer
    x = 119,257.26

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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.