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Finding the Fourth Proportional to 110,026.47, 151,813.19 and 64,687.92

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Solution

The fourth proportional to 110,026.47, 151,813.19 and 64,687.92 is: 89,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,026.47 : 151,813.19 = 64,687.92 : x
  2. Step 2: Convert to fraction form
    110,026.47/151,813.19 = 64,687.92/x
  3. Step 3: Cross multiply
    110,026.47x = 151,813.19 × 64,687.92
  4. Step 4: Simplify right side
    110,026.47x = 9,820,479,489.66
  5. Step 5: Solve for x
    x = 9,820,479,489.66/110,026.47
  6. Step 6: Final answer
    x = 89,255.61

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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.