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Finding the Fourth Proportional to 151,981.92, 227,953.44 and 63,218.88

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Solution

The fourth proportional to 151,981.92, 227,953.44 and 63,218.88 is: 94,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,981.92 : 227,953.44 = 63,218.88 : x
  2. Step 2: Convert to fraction form
    151,981.92/227,953.44 = 63,218.88/x
  3. Step 3: Cross multiply
    151,981.92x = 227,953.44 × 63,218.88
  4. Step 4: Simplify right side
    151,981.92x = 14,410,961,168.95
  5. Step 5: Solve for x
    x = 14,410,961,168.95/151,981.92
  6. Step 6: Final answer
    x = 94,820.23

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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.