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Finding the Fourth Proportional to 329,864.76, 494,877.72 and 105,225.18

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Solution

The fourth proportional to 329,864.76, 494,877.72 and 105,225.18 is: 157,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,864.76 : 494,877.72 = 105,225.18 : x
  2. Step 2: Convert to fraction form
    329,864.76/494,877.72 = 105,225.18/x
  3. Step 3: Cross multiply
    329,864.76x = 494,877.72 × 105,225.18
  4. Step 4: Simplify right side
    329,864.76x = 52,073,597,164.99
  5. Step 5: Solve for x
    x = 52,073,597,164.99/329,864.76
  6. Step 6: Final answer
    x = 157,863.47

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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.