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Finding the Fourth Proportional to 75,044, 112,604.88 and 38,108

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Solution

The fourth proportional to 75,044, 112,604.88 and 38,108 is: 57,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,044 : 112,604.88 = 38,108 : x
  2. Step 2: Convert to fraction form
    75,044/112,604.88 = 38,108/x
  3. Step 3: Cross multiply
    75,044x = 112,604.88 × 38,108
  4. Step 4: Simplify right side
    75,044x = 4,291,146,767.04
  5. Step 5: Solve for x
    x = 4,291,146,767.04/75,044
  6. Step 6: Final answer
    x = 57,181.74

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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.