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Finding the Fourth Proportional to 223,401.84, 308,245.62 and 132,787.92

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Solution

The fourth proportional to 223,401.84, 308,245.62 and 132,787.92 is: 183,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,401.84 : 308,245.62 = 132,787.92 : x
  2. Step 2: Convert to fraction form
    223,401.84/308,245.62 = 132,787.92/x
  3. Step 3: Cross multiply
    223,401.84x = 308,245.62 × 132,787.92
  4. Step 4: Simplify right side
    223,401.84x = 40,931,294,728.91
  5. Step 5: Solve for x
    x = 40,931,294,728.91/223,401.84
  6. Step 6: Final answer
    x = 183,218.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.