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Finding the Fourth Proportional to 296,187.54, 443,878.65 and 125,267.15

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Solution

The fourth proportional to 296,187.54, 443,878.65 and 125,267.15 is: 187,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,187.54 : 443,878.65 = 125,267.15 : x
  2. Step 2: Convert to fraction form
    296,187.54/443,878.65 = 125,267.15/x
  3. Step 3: Cross multiply
    296,187.54x = 443,878.65 × 125,267.15
  4. Step 4: Simplify right side
    296,187.54x = 55,603,411,211.95
  5. Step 5: Solve for x
    x = 55,603,411,211.95/296,187.54
  6. Step 6: Final answer
    x = 187,730.42

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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.