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Finding the Fourth Proportional to 112,330.56, 155,016.20 and 62,029.52

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Solution

The fourth proportional to 112,330.56, 155,016.20 and 62,029.52 is: 85,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.56 : 155,016.20 = 62,029.52 : x
  2. Step 2: Convert to fraction form
    112,330.56/155,016.20 = 62,029.52/x
  3. Step 3: Cross multiply
    112,330.56x = 155,016.20 × 62,029.52
  4. Step 4: Simplify right side
    112,330.56x = 9,615,580,478.22
  5. Step 5: Solve for x
    x = 9,615,580,478.22/112,330.56
  6. Step 6: Final answer
    x = 85,600.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.