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Finding the Fourth Proportional to 250,265.60, 345,367.56 and 135,545.60

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Solution

The fourth proportional to 250,265.60, 345,367.56 and 135,545.60 is: 187,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,265.60 : 345,367.56 = 135,545.60 : x
  2. Step 2: Convert to fraction form
    250,265.60/345,367.56 = 135,545.60/x
  3. Step 3: Cross multiply
    250,265.60x = 345,367.56 × 135,545.60
  4. Step 4: Simplify right side
    250,265.60x = 46,813,054,512.45
  5. Step 5: Solve for x
    x = 46,813,054,512.45/250,265.60
  6. Step 6: Final answer
    x = 187,053.49

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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.