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Finding the Fourth Proportional to 159,079.60, 238,541.64 and 92,542.96

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Solution

The fourth proportional to 159,079.60, 238,541.64 and 92,542.96 is: 138,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,079.60 : 238,541.64 = 92,542.96 : x
  2. Step 2: Convert to fraction form
    159,079.60/238,541.64 = 92,542.96/x
  3. Step 3: Cross multiply
    159,079.60x = 238,541.64 × 92,542.96
  4. Step 4: Simplify right side
    159,079.60x = 22,075,349,448.85
  5. Step 5: Solve for x
    x = 22,075,349,448.85/159,079.60
  6. Step 6: Final answer
    x = 138,769.20

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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.