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Finding the Fourth Proportional to 162,937.20, 244,405.80 and 92,953.20

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Solution

The fourth proportional to 162,937.20, 244,405.80 and 92,953.20 is: 139,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,937.20 : 244,405.80 = 92,953.20 : x
  2. Step 2: Convert to fraction form
    162,937.20/244,405.80 = 92,953.20/x
  3. Step 3: Cross multiply
    162,937.20x = 244,405.80 × 92,953.20
  4. Step 4: Simplify right side
    162,937.20x = 22,718,301,208.56
  5. Step 5: Solve for x
    x = 22,718,301,208.56/162,937.20
  6. Step 6: Final answer
    x = 139,429.80

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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.