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Finding the Fourth Proportional to 250,335.84, 375,587.52 and 81,863.92

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Solution

The fourth proportional to 250,335.84, 375,587.52 and 81,863.92 is: 122,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,335.84 : 375,587.52 = 81,863.92 : x
  2. Step 2: Convert to fraction form
    250,335.84/375,587.52 = 81,863.92/x
  3. Step 3: Cross multiply
    250,335.84x = 375,587.52 × 81,863.92
  4. Step 4: Simplify right side
    250,335.84x = 30,747,066,690.28
  5. Step 5: Solve for x
    x = 30,747,066,690.28/250,335.84
  6. Step 6: Final answer
    x = 122,823.27

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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.