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Finding the Fourth Proportional to 237,120.78, 355,681.17 and 96,879.41

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Solution

The fourth proportional to 237,120.78, 355,681.17 and 96,879.41 is: 145,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,120.78 : 355,681.17 = 96,879.41 : x
  2. Step 2: Convert to fraction form
    237,120.78/355,681.17 = 96,879.41/x
  3. Step 3: Cross multiply
    237,120.78x = 355,681.17 × 96,879.41
  4. Step 4: Simplify right side
    237,120.78x = 34,458,180,119.30
  5. Step 5: Solve for x
    x = 34,458,180,119.30/237,120.78
  6. Step 6: Final answer
    x = 145,319.11

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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.