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Finding the Fourth Proportional to 221,254.34, 331,924.23 and 94,876.92

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Solution

The fourth proportional to 221,254.34, 331,924.23 and 94,876.92 is: 142,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,254.34 : 331,924.23 = 94,876.92 : x
  2. Step 2: Convert to fraction form
    221,254.34/331,924.23 = 94,876.92/x
  3. Step 3: Cross multiply
    221,254.34x = 331,924.23 × 94,876.92
  4. Step 4: Simplify right side
    221,254.34x = 31,491,948,615.77
  5. Step 5: Solve for x
    x = 31,491,948,615.77/221,254.34
  6. Step 6: Final answer
    x = 142,333.70

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1.5x scale

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.