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Finding the Fourth Proportional to 107,064.74, 147,747.42 and 59,317.13

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Solution

The fourth proportional to 107,064.74, 147,747.42 and 59,317.13 is: 81,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,064.74 : 147,747.42 = 59,317.13 : x
  2. Step 2: Convert to fraction form
    107,064.74/147,747.42 = 59,317.13/x
  3. Step 3: Cross multiply
    107,064.74x = 147,747.42 × 59,317.13
  4. Step 4: Simplify right side
    107,064.74x = 8,763,952,180.57
  5. Step 5: Solve for x
    x = 8,763,952,180.57/107,064.74
  6. Step 6: Final answer
    x = 81,856.57

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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.