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Finding the Fourth Proportional to 234,453.90, 323,545.95 and 127,026.66

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Solution

The fourth proportional to 234,453.90, 323,545.95 and 127,026.66 is: 175,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,453.90 : 323,545.95 = 127,026.66 : x
  2. Step 2: Convert to fraction form
    234,453.90/323,545.95 = 127,026.66/x
  3. Step 3: Cross multiply
    234,453.90x = 323,545.95 × 127,026.66
  4. Step 4: Simplify right side
    234,453.90x = 41,098,961,385.03
  5. Step 5: Solve for x
    x = 41,098,961,385.03/234,453.90
  6. Step 6: Final answer
    x = 175,296.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.