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Finding the Fourth Proportional to 147,951.80, 221,781.90 and 73,010.60

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Solution

The fourth proportional to 147,951.80, 221,781.90 and 73,010.60 is: 109,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,951.80 : 221,781.90 = 73,010.60 : x
  2. Step 2: Convert to fraction form
    147,951.80/221,781.90 = 73,010.60/x
  3. Step 3: Cross multiply
    147,951.80x = 221,781.90 × 73,010.60
  4. Step 4: Simplify right side
    147,951.80x = 16,192,429,588.14
  5. Step 5: Solve for x
    x = 16,192,429,588.14/147,951.80
  6. Step 6: Final answer
    x = 109,443.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.