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Finding the Fourth Proportional to 113,392.48, 169,845.72 and 92,232.08

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Solution

The fourth proportional to 113,392.48, 169,845.72 and 92,232.08 is: 138,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,392.48 : 169,845.72 = 92,232.08 : x
  2. Step 2: Convert to fraction form
    113,392.48/169,845.72 = 92,232.08/x
  3. Step 3: Cross multiply
    113,392.48x = 169,845.72 × 92,232.08
  4. Step 4: Simplify right side
    113,392.48x = 15,665,224,034.70
  5. Step 5: Solve for x
    x = 15,665,224,034.70/113,392.48
  6. Step 6: Final answer
    x = 138,150.47

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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.