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Finding the Fourth Proportional to 72,744.21, 100,354.04 and 52,569.14

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Solution

The fourth proportional to 72,744.21, 100,354.04 and 52,569.14 is: 72,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,744.21 : 100,354.04 = 52,569.14 : x
  2. Step 2: Convert to fraction form
    72,744.21/100,354.04 = 52,569.14/x
  3. Step 3: Cross multiply
    72,744.21x = 100,354.04 × 52,569.14
  4. Step 4: Simplify right side
    72,744.21x = 5,275,524,813.71
  5. Step 5: Solve for x
    x = 5,275,524,813.71/72,744.21
  6. Step 6: Final answer
    x = 72,521.58

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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.