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Finding the Fourth Proportional to 73,394.94, 110,064.24 and 31,248.30

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Solution

The fourth proportional to 73,394.94, 110,064.24 and 31,248.30 is: 46,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394.94 : 110,064.24 = 31,248.30 : x
  2. Step 2: Convert to fraction form
    73,394.94/110,064.24 = 31,248.30/x
  3. Step 3: Cross multiply
    73,394.94x = 110,064.24 × 31,248.30
  4. Step 4: Simplify right side
    73,394.94x = 3,439,320,390.79
  5. Step 5: Solve for x
    x = 3,439,320,390.79/73,394.94
  6. Step 6: Final answer
    x = 46,860.46

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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.