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Finding the Fourth Proportional to 75,362.46, 104,001.84 and 45,179.52

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Solution

The fourth proportional to 75,362.46, 104,001.84 and 45,179.52 is: 62,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,362.46 : 104,001.84 = 45,179.52 : x
  2. Step 2: Convert to fraction form
    75,362.46/104,001.84 = 45,179.52/x
  3. Step 3: Cross multiply
    75,362.46x = 104,001.84 × 45,179.52
  4. Step 4: Simplify right side
    75,362.46x = 4,698,753,210.32
  5. Step 5: Solve for x
    x = 4,698,753,210.32/75,362.46
  6. Step 6: Final answer
    x = 62,348.72

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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.