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Finding the Fourth Proportional to 178,439.65, 246,223.87 and 101,963.62

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Solution

The fourth proportional to 178,439.65, 246,223.87 and 101,963.62 is: 140,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,439.65 : 246,223.87 = 101,963.62 : x
  2. Step 2: Convert to fraction form
    178,439.65/246,223.87 = 101,963.62/x
  3. Step 3: Cross multiply
    178,439.65x = 246,223.87 × 101,963.62
  4. Step 4: Simplify right side
    178,439.65x = 25,105,877,115.61
  5. Step 5: Solve for x
    x = 25,105,877,115.61/178,439.65
  6. Step 6: Final answer
    x = 140,696.74

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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.