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Finding the Fourth Proportional to 153,588.78, 230,348.61 and 55,092.78

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Solution

The fourth proportional to 153,588.78, 230,348.61 and 55,092.78 is: 82,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,588.78 : 230,348.61 = 55,092.78 : x
  2. Step 2: Convert to fraction form
    153,588.78/230,348.61 = 55,092.78/x
  3. Step 3: Cross multiply
    153,588.78x = 230,348.61 × 55,092.78
  4. Step 4: Simplify right side
    153,588.78x = 12,690,545,294.04
  5. Step 5: Solve for x
    x = 12,690,545,294.04/153,588.78
  6. Step 6: Final answer
    x = 82,626.77

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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.