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Finding the Fourth Proportional to 162,630.41, 244,049.69 and 87,802.70

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Solution

The fourth proportional to 162,630.41, 244,049.69 and 87,802.70 is: 131,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,630.41 : 244,049.69 = 87,802.70 : x
  2. Step 2: Convert to fraction form
    162,630.41/244,049.69 = 87,802.70/x
  3. Step 3: Cross multiply
    162,630.41x = 244,049.69 × 87,802.70
  4. Step 4: Simplify right side
    162,630.41x = 21,428,220,056.90
  5. Step 5: Solve for x
    x = 21,428,220,056.90/162,630.41
  6. Step 6: Final answer
    x = 131,760.23

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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.