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Finding the Fourth Proportional to 109,624.65, 151,282.49 and 59,323.65

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Solution

The fourth proportional to 109,624.65, 151,282.49 and 59,323.65 is: 81,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,624.65 : 151,282.49 = 59,323.65 : x
  2. Step 2: Convert to fraction form
    109,624.65/151,282.49 = 59,323.65/x
  3. Step 3: Cross multiply
    109,624.65x = 151,282.49 × 59,323.65
  4. Step 4: Simplify right side
    109,624.65x = 8,974,629,191.27
  5. Step 5: Solve for x
    x = 8,974,629,191.27/109,624.65
  6. Step 6: Final answer
    x = 81,866.89

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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.