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Finding the Fourth Proportional to 308,598.98, 462,803.70 and 108,872.66

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Solution

The fourth proportional to 308,598.98, 462,803.70 and 108,872.66 is: 163,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,598.98 : 462,803.70 = 108,872.66 : x
  2. Step 2: Convert to fraction form
    308,598.98/462,803.70 = 108,872.66/x
  3. Step 3: Cross multiply
    308,598.98x = 462,803.70 × 108,872.66
  4. Step 4: Simplify right side
    308,598.98x = 50,386,667,562.82
  5. Step 5: Solve for x
    x = 50,386,667,562.82/308,598.98
  6. Step 6: Final answer
    x = 163,275.55

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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.