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Finding the Fourth Proportional to 238,034.40, 356,468.40 and 158,719.20

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Solution

The fourth proportional to 238,034.40, 356,468.40 and 158,719.20 is: 237,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,034.40 : 356,468.40 = 158,719.20 : x
  2. Step 2: Convert to fraction form
    238,034.40/356,468.40 = 158,719.20/x
  3. Step 3: Cross multiply
    238,034.40x = 356,468.40 × 158,719.20
  4. Step 4: Simplify right side
    238,034.40x = 56,578,379,273.28
  5. Step 5: Solve for x
    x = 56,578,379,273.28/238,034.40
  6. Step 6: Final answer
    x = 237,689.93

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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.