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Finding the Fourth Proportional to 146,793.74, 202,575.76 and 86,366.66

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Solution

The fourth proportional to 146,793.74, 202,575.76 and 86,366.66 is: 119,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,793.74 : 202,575.76 = 86,366.66 : x
  2. Step 2: Convert to fraction form
    146,793.74/202,575.76 = 86,366.66/x
  3. Step 3: Cross multiply
    146,793.74x = 202,575.76 × 86,366.66
  4. Step 4: Simplify right side
    146,793.74x = 17,495,791,788.16
  5. Step 5: Solve for x
    x = 17,495,791,788.16/146,793.74
  6. Step 6: Final answer
    x = 119,186.23

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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.