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Finding the Fourth Proportional to 158,312.52, 237,476.16 and 88,138.98

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Solution

The fourth proportional to 158,312.52, 237,476.16 and 88,138.98 is: 132,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,312.52 : 237,476.16 = 88,138.98 : x
  2. Step 2: Convert to fraction form
    158,312.52/237,476.16 = 88,138.98/x
  3. Step 3: Cross multiply
    158,312.52x = 237,476.16 × 88,138.98
  4. Step 4: Simplify right side
    158,312.52x = 20,930,906,516.72
  5. Step 5: Solve for x
    x = 20,930,906,516.72/158,312.52
  6. Step 6: Final answer
    x = 132,212.58

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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.