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Finding the Fourth Proportional to 158,017.62, 218,060.12 and 93,490.18

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Solution

The fourth proportional to 158,017.62, 218,060.12 and 93,490.18 is: 129,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,017.62 : 218,060.12 = 93,490.18 : x
  2. Step 2: Convert to fraction form
    158,017.62/218,060.12 = 93,490.18/x
  3. Step 3: Cross multiply
    158,017.62x = 218,060.12 × 93,490.18
  4. Step 4: Simplify right side
    158,017.62x = 20,386,479,869.62
  5. Step 5: Solve for x
    x = 20,386,479,869.62/158,017.62
  6. Step 6: Final answer
    x = 129,013.97

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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.