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Finding the Fourth Proportional to 159,278.76, 238,844.52 and 59,412.24

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Solution

The fourth proportional to 159,278.76, 238,844.52 and 59,412.24 is: 89,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,278.76 : 238,844.52 = 59,412.24 : x
  2. Step 2: Convert to fraction form
    159,278.76/238,844.52 = 59,412.24/x
  3. Step 3: Cross multiply
    159,278.76x = 238,844.52 × 59,412.24
  4. Step 4: Simplify right side
    159,278.76x = 14,190,287,944.92
  5. Step 5: Solve for x
    x = 14,190,287,944.92/159,278.76
  6. Step 6: Final answer
    x = 89,090.90

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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.