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Finding the Fourth Proportional to 158,895.40, 238,343.48 and 38,952.87

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Solution

The fourth proportional to 158,895.40, 238,343.48 and 38,952.87 is: 58,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,895.40 : 238,343.48 = 38,952.87 : x
  2. Step 2: Convert to fraction form
    158,895.40/238,343.48 = 38,952.87/x
  3. Step 3: Cross multiply
    158,895.40x = 238,343.48 × 38,952.87
  4. Step 4: Simplify right side
    158,895.40x = 9,284,162,591.79
  5. Step 5: Solve for x
    x = 9,284,162,591.79/158,895.40
  6. Step 6: Final answer
    x = 58,429.40

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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.