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Finding the Fourth Proportional to 113,232.60, 169,805.70 and 34,320.60

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Solution

The fourth proportional to 113,232.60, 169,805.70 and 34,320.60 is: 51,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,232.60 : 169,805.70 = 34,320.60 : x
  2. Step 2: Convert to fraction form
    113,232.60/169,805.70 = 34,320.60/x
  3. Step 3: Cross multiply
    113,232.60x = 169,805.70 × 34,320.60
  4. Step 4: Simplify right side
    113,232.60x = 5,827,833,507.42
  5. Step 5: Solve for x
    x = 5,827,833,507.42/113,232.60
  6. Step 6: Final answer
    x = 51,467.81

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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.