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Finding the Fourth Proportional to 158,480.86, 237,719.46 and 38,538.48

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Solution

The fourth proportional to 158,480.86, 237,719.46 and 38,538.48 is: 57,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,480.86 : 237,719.46 = 38,538.48 : x
  2. Step 2: Convert to fraction form
    158,480.86/237,719.46 = 38,538.48/x
  3. Step 3: Cross multiply
    158,480.86x = 237,719.46 × 38,538.48
  4. Step 4: Simplify right side
    158,480.86x = 9,161,346,654.82
  5. Step 5: Solve for x
    x = 9,161,346,654.82/158,480.86
  6. Step 6: Final answer
    x = 57,807.27

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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.