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Finding the Fourth Proportional to 178,228.83, 245,915.88 and 101,723.47

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Solution

The fourth proportional to 178,228.83, 245,915.88 and 101,723.47 is: 140,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,228.83 : 245,915.88 = 101,723.47 : x
  2. Step 2: Convert to fraction form
    178,228.83/245,915.88 = 101,723.47/x
  3. Step 3: Cross multiply
    178,228.83x = 245,915.88 × 101,723.47
  4. Step 4: Simplify right side
    178,228.83x = 25,015,416,217.65
  5. Step 5: Solve for x
    x = 25,015,416,217.65/178,228.83
  6. Step 6: Final answer
    x = 140,355.61

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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.