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Finding the Fourth Proportional to 124,545.58, 171,873.58 and 67,958.18

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Solution

The fourth proportional to 124,545.58, 171,873.58 and 67,958.18 is: 93,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.58 : 171,873.58 = 67,958.18 : x
  2. Step 2: Convert to fraction form
    124,545.58/171,873.58 = 67,958.18/x
  3. Step 3: Cross multiply
    124,545.58x = 171,873.58 × 67,958.18
  4. Step 4: Simplify right side
    124,545.58x = 11,680,215,686.88
  5. Step 5: Solve for x
    x = 11,680,215,686.88/124,545.58
  6. Step 6: Final answer
    x = 93,782.66

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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.