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Finding the Fourth Proportional to 72,501.84, 100,044.72 and 41,873.04

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Solution

The fourth proportional to 72,501.84, 100,044.72 and 41,873.04 is: 57,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,501.84 : 100,044.72 = 41,873.04 : x
  2. Step 2: Convert to fraction form
    72,501.84/100,044.72 = 41,873.04/x
  3. Step 3: Cross multiply
    72,501.84x = 100,044.72 × 41,873.04
  4. Step 4: Simplify right side
    72,501.84x = 4,189,176,562.35
  5. Step 5: Solve for x
    x = 4,189,176,562.35/72,501.84
  6. Step 6: Final answer
    x = 57,780.28

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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.