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Finding the Fourth Proportional to 158,643.56, 237,648.08 and 95,428.80

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Solution

The fourth proportional to 158,643.56, 237,648.08 and 95,428.80 is: 142,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643.56 : 237,648.08 = 95,428.80 : x
  2. Step 2: Convert to fraction form
    158,643.56/237,648.08 = 95,428.80/x
  3. Step 3: Cross multiply
    158,643.56x = 237,648.08 × 95,428.80
  4. Step 4: Simplify right side
    158,643.56x = 22,678,471,096.70
  5. Step 5: Solve for x
    x = 22,678,471,096.70/158,643.56
  6. Step 6: Final answer
    x = 142,952.36

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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.