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Finding the Fourth Proportional to 158,290.92, 237,439.40 and 58,399.68

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Solution

The fourth proportional to 158,290.92, 237,439.40 and 58,399.68 is: 87,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,290.92 : 237,439.40 = 58,399.68 : x
  2. Step 2: Convert to fraction form
    158,290.92/237,439.40 = 58,399.68/x
  3. Step 3: Cross multiply
    158,290.92x = 237,439.40 × 58,399.68
  4. Step 4: Simplify right side
    158,290.92x = 13,866,384,979.39
  5. Step 5: Solve for x
    x = 13,866,384,979.39/158,290.92
  6. Step 6: Final answer
    x = 87,600.63

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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.