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Finding the Fourth Proportional to 207,545.92, 286,434.90 and 127,027.06

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Solution

The fourth proportional to 207,545.92, 286,434.90 and 127,027.06 is: 175,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,545.92 : 286,434.90 = 127,027.06 : x
  2. Step 2: Convert to fraction form
    207,545.92/286,434.90 = 127,027.06/x
  3. Step 3: Cross multiply
    207,545.92x = 286,434.90 × 127,027.06
  4. Step 4: Simplify right side
    207,545.92x = 36,384,983,228.39
  5. Step 5: Solve for x
    x = 36,384,983,228.39/207,545.92
  6. Step 6: Final answer
    x = 175,310.52

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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.