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Finding the Fourth Proportional to 237,139.92, 355,710.48 and 96,898.55

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Solution

The fourth proportional to 237,139.92, 355,710.48 and 96,898.55 is: 145,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,139.92 : 355,710.48 = 96,898.55 : x
  2. Step 2: Convert to fraction form
    237,139.92/355,710.48 = 96,898.55/x
  3. Step 3: Cross multiply
    237,139.92x = 355,710.48 × 96,898.55
  4. Step 4: Simplify right side
    237,139.92x = 34,467,829,731.80
  5. Step 5: Solve for x
    x = 34,467,829,731.80/237,139.92
  6. Step 6: Final answer
    x = 145,348.07

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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.