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Finding the Fourth Proportional to 107,060.65, 147,744.75 and 59,314.66

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Solution

The fourth proportional to 107,060.65, 147,744.75 and 59,314.66 is: 81,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,060.65 : 147,744.75 = 59,314.66 : x
  2. Step 2: Convert to fraction form
    107,060.65/147,744.75 = 59,314.66/x
  3. Step 3: Cross multiply
    107,060.65x = 147,744.75 × 59,314.66
  4. Step 4: Simplify right side
    107,060.65x = 8,763,429,613.04
  5. Step 5: Solve for x
    x = 8,763,429,613.04/107,060.65
  6. Step 6: Final answer
    x = 81,854.81

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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.