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Finding the Fourth Proportional to 154,695.87, 213,081.00 and 109,295.04

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Solution

The fourth proportional to 154,695.87, 213,081.00 and 109,295.04 is: 150,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,695.87 : 213,081.00 = 109,295.04 : x
  2. Step 2: Convert to fraction form
    154,695.87/213,081.00 = 109,295.04/x
  3. Step 3: Cross multiply
    154,695.87x = 213,081.00 × 109,295.04
  4. Step 4: Simplify right side
    154,695.87x = 23,288,696,404.47
  5. Step 5: Solve for x
    x = 23,288,696,404.47/154,695.87
  6. Step 6: Final answer
    x = 150,545.04

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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.