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Finding the Fourth Proportional to 178,775.63, 268,106.49 and 58,805.13

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Solution

The fourth proportional to 178,775.63, 268,106.49 and 58,805.13 is: 88,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,775.63 : 268,106.49 = 58,805.13 : x
  2. Step 2: Convert to fraction form
    178,775.63/268,106.49 = 58,805.13/x
  3. Step 3: Cross multiply
    178,775.63x = 268,106.49 × 58,805.13
  4. Step 4: Simplify right side
    178,775.63x = 15,766,036,366.65
  5. Step 5: Solve for x
    x = 15,766,036,366.65/178,775.63
  6. Step 6: Final answer
    x = 88,188.96

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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.