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Finding the Fourth Proportional to 158,592.99, 237,916.16 and 78,634.91

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Solution

The fourth proportional to 158,592.99, 237,916.16 and 78,634.91 is: 117,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,592.99 : 237,916.16 = 78,634.91 : x
  2. Step 2: Convert to fraction form
    158,592.99/237,916.16 = 78,634.91/x
  3. Step 3: Cross multiply
    158,592.99x = 237,916.16 × 78,634.91
  4. Step 4: Simplify right side
    158,592.99x = 18,708,514,766.20
  5. Step 5: Solve for x
    x = 18,708,514,766.20/158,592.99
  6. Step 6: Final answer
    x = 117,965.58

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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.