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Finding the Fourth Proportional to 109,902.65, 151,666.62 and 59,601.65

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Solution

The fourth proportional to 109,902.65, 151,666.62 and 59,601.65 is: 82,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.65 : 151,666.62 = 59,601.65 : x
  2. Step 2: Convert to fraction form
    109,902.65/151,666.62 = 59,601.65/x
  3. Step 3: Cross multiply
    109,902.65x = 151,666.62 × 59,601.65
  4. Step 4: Simplify right side
    109,902.65x = 9,039,580,801.92
  5. Step 5: Solve for x
    x = 9,039,580,801.92/109,902.65
  6. Step 6: Final answer
    x = 82,250.80

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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.