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Finding the Fourth Proportional to 159,397.74, 238,789.62 and 89,326.26

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Solution

The fourth proportional to 159,397.74, 238,789.62 and 89,326.26 is: 133,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,397.74 : 238,789.62 = 89,326.26 : x
  2. Step 2: Convert to fraction form
    159,397.74/238,789.62 = 89,326.26/x
  3. Step 3: Cross multiply
    159,397.74x = 238,789.62 × 89,326.26
  4. Step 4: Simplify right side
    159,397.74x = 21,330,183,681.42
  5. Step 5: Solve for x
    x = 21,330,183,681.42/159,397.74
  6. Step 6: Final answer
    x = 133,817.35

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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.