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Finding the Fourth Proportional to 114,601.70, 158,154.93 and 62,920.80

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Solution

The fourth proportional to 114,601.70, 158,154.93 and 62,920.80 is: 86,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,601.70 : 158,154.93 = 62,920.80 : x
  2. Step 2: Convert to fraction form
    114,601.70/158,154.93 = 62,920.80/x
  3. Step 3: Cross multiply
    114,601.70x = 158,154.93 × 62,920.80
  4. Step 4: Simplify right side
    114,601.70x = 9,951,234,719.54
  5. Step 5: Solve for x
    x = 9,951,234,719.54/114,601.70
  6. Step 6: Final answer
    x = 86,833.22

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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.