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Finding the Fourth Proportional to 119,062.58, 164,306.17 and 65,347.73

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Solution

The fourth proportional to 119,062.58, 164,306.17 and 65,347.73 is: 90,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,062.58 : 164,306.17 = 65,347.73 : x
  2. Step 2: Convert to fraction form
    119,062.58/164,306.17 = 65,347.73/x
  3. Step 3: Cross multiply
    119,062.58x = 164,306.17 × 65,347.73
  4. Step 4: Simplify right side
    119,062.58x = 10,737,035,110.80
  5. Step 5: Solve for x
    x = 10,737,035,110.80/119,062.58
  6. Step 6: Final answer
    x = 90,179.77

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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.