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Finding the Fourth Proportional to 159,862.60, 239,771.22 and 54,666.28

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Solution

The fourth proportional to 159,862.60, 239,771.22 and 54,666.28 is: 81,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.60 : 239,771.22 = 54,666.28 : x
  2. Step 2: Convert to fraction form
    159,862.60/239,771.22 = 54,666.28/x
  3. Step 3: Cross multiply
    159,862.60x = 239,771.22 × 54,666.28
  4. Step 4: Simplify right side
    159,862.60x = 13,107,400,648.46
  5. Step 5: Solve for x
    x = 13,107,400,648.46/159,862.60
  6. Step 6: Final answer
    x = 81,991.66

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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.