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Finding the Fourth Proportional to 73,959.42, 110,938.86 and 34,494.60

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Solution

The fourth proportional to 73,959.42, 110,938.86 and 34,494.60 is: 51,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,959.42 : 110,938.86 = 34,494.60 : x
  2. Step 2: Convert to fraction form
    73,959.42/110,938.86 = 34,494.60/x
  3. Step 3: Cross multiply
    73,959.42x = 110,938.86 × 34,494.60
  4. Step 4: Simplify right side
    73,959.42x = 3,826,791,600.16
  5. Step 5: Solve for x
    x = 3,826,791,600.16/73,959.42
  6. Step 6: Final answer
    x = 51,741.77

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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.