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Finding the Fourth Proportional to 157,752.82, 236,644.11 and 122,253.90

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Solution

The fourth proportional to 157,752.82, 236,644.11 and 122,253.90 is: 183,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,752.82 : 236,644.11 = 122,253.90 : x
  2. Step 2: Convert to fraction form
    157,752.82/236,644.11 = 122,253.90/x
  3. Step 3: Cross multiply
    157,752.82x = 236,644.11 × 122,253.90
  4. Step 4: Simplify right side
    157,752.82x = 28,930,665,359.53
  5. Step 5: Solve for x
    x = 28,930,665,359.53/157,752.82
  6. Step 6: Final answer
    x = 183,392.38

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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.