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Finding the Fourth Proportional to 75,008.45, 112,568.03 and 35,565.71

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Solution

The fourth proportional to 75,008.45, 112,568.03 and 35,565.71 is: 53,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,008.45 : 112,568.03 = 35,565.71 : x
  2. Step 2: Convert to fraction form
    75,008.45/112,568.03 = 35,565.71/x
  3. Step 3: Cross multiply
    75,008.45x = 112,568.03 × 35,565.71
  4. Step 4: Simplify right side
    75,008.45x = 4,003,561,436.33
  5. Step 5: Solve for x
    x = 4,003,561,436.33/75,008.45
  6. Step 6: Final answer
    x = 53,374.81

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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.