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Finding the Fourth Proportional to 250,228.80, 375,367.92 and 72,737.28

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Solution

The fourth proportional to 250,228.80, 375,367.92 and 72,737.28 is: 109,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,228.80 : 375,367.92 = 72,737.28 : x
  2. Step 2: Convert to fraction form
    250,228.80/375,367.92 = 72,737.28/x
  3. Step 3: Cross multiply
    250,228.80x = 375,367.92 × 72,737.28
  4. Step 4: Simplify right side
    250,228.80x = 27,303,241,500.06
  5. Step 5: Solve for x
    x = 27,303,241,500.06/250,228.80
  6. Step 6: Final answer
    x = 109,113.11

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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.