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Finding the Fourth Proportional to 254,353.32, 381,599.10 and 88,154.28

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Solution

The fourth proportional to 254,353.32, 381,599.10 and 88,154.28 is: 132,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,353.32 : 381,599.10 = 88,154.28 : x
  2. Step 2: Convert to fraction form
    254,353.32/381,599.10 = 88,154.28/x
  3. Step 3: Cross multiply
    254,353.32x = 381,599.10 × 88,154.28
  4. Step 4: Simplify right side
    254,353.32x = 33,639,593,909.15
  5. Step 5: Solve for x
    x = 33,639,593,909.15/254,353.32
  6. Step 6: Final answer
    x = 132,255.38

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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.