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Finding the Fourth Proportional to 73,374.75, 110,058.30 and 20,784.42

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Solution

The fourth proportional to 73,374.75, 110,058.30 and 20,784.42 is: 31,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,374.75 : 110,058.30 = 20,784.42 : x
  2. Step 2: Convert to fraction form
    73,374.75/110,058.30 = 20,784.42/x
  3. Step 3: Cross multiply
    73,374.75x = 110,058.30 × 20,784.42
  4. Step 4: Simplify right side
    73,374.75x = 2,287,497,931.69
  5. Step 5: Solve for x
    x = 2,287,497,931.69/73,374.75
  6. Step 6: Final answer
    x = 31,175.55

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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.