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Finding the Fourth Proportional to 100,833.45, 151,250.18 and 63,508.65

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Solution

The fourth proportional to 100,833.45, 151,250.18 and 63,508.65 is: 95,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,833.45 : 151,250.18 = 63,508.65 : x
  2. Step 2: Convert to fraction form
    100,833.45/151,250.18 = 63,508.65/x
  3. Step 3: Cross multiply
    100,833.45x = 151,250.18 × 63,508.65
  4. Step 4: Simplify right side
    100,833.45x = 9,605,694,426.51
  5. Step 5: Solve for x
    x = 9,605,694,426.51/100,833.45
  6. Step 6: Final answer
    x = 95,262.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.