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Finding the Fourth Proportional to 123,953.60, 185,851.56 and 57,304.64

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Solution

The fourth proportional to 123,953.60, 185,851.56 and 57,304.64 is: 85,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.60 : 185,851.56 = 57,304.64 : x
  2. Step 2: Convert to fraction form
    123,953.60/185,851.56 = 57,304.64/x
  3. Step 3: Cross multiply
    123,953.60x = 185,851.56 × 57,304.64
  4. Step 4: Simplify right side
    123,953.60x = 10,650,156,739.24
  5. Step 5: Solve for x
    x = 10,650,156,739.24/123,953.60
  6. Step 6: Final answer
    x = 85,920.51

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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.