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Finding the Fourth Proportional to 75,002.72, 103,502.88 and 41,468

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Solution

The fourth proportional to 75,002.72, 103,502.88 and 41,468 is: 57,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.72 : 103,502.88 = 41,468 : x
  2. Step 2: Convert to fraction form
    75,002.72/103,502.88 = 41,468/x
  3. Step 3: Cross multiply
    75,002.72x = 103,502.88 × 41,468
  4. Step 4: Simplify right side
    75,002.72x = 4,292,057,427.84
  5. Step 5: Solve for x
    x = 4,292,057,427.84/75,002.72
  6. Step 6: Final answer
    x = 57,225.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.