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Finding the Fourth Proportional to 178,363.95, 267,590.47 and 125,875.95

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Solution

The fourth proportional to 178,363.95, 267,590.47 and 125,875.95 is: 188,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,363.95 : 267,590.47 = 125,875.95 : x
  2. Step 2: Convert to fraction form
    178,363.95/267,590.47 = 125,875.95/x
  3. Step 3: Cross multiply
    178,363.95x = 267,590.47 × 125,875.95
  4. Step 4: Simplify right side
    178,363.95x = 33,683,204,622.20
  5. Step 5: Solve for x
    x = 33,683,204,622.20/178,363.95
  6. Step 6: Final answer
    x = 188,845.36

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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.