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Finding the Fourth Proportional to 250,373.43, 375,621.71 and 72,881.98

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Solution

The fourth proportional to 250,373.43, 375,621.71 and 72,881.98 is: 109,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,373.43 : 375,621.71 = 72,881.98 : x
  2. Step 2: Convert to fraction form
    250,373.43/375,621.71 = 72,881.98/x
  3. Step 3: Cross multiply
    250,373.43x = 375,621.71 × 72,881.98
  4. Step 4: Simplify right side
    250,373.43x = 27,376,052,652.32
  5. Step 5: Solve for x
    x = 27,376,052,652.32/250,373.43
  6. Step 6: Final answer
    x = 109,340.89

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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.