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Finding the Fourth Proportional to 299,326.32, 449,061.84 and 109,801.44

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Solution

The fourth proportional to 299,326.32, 449,061.84 and 109,801.44 is: 164,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,326.32 : 449,061.84 = 109,801.44 : x
  2. Step 2: Convert to fraction form
    299,326.32/449,061.84 = 109,801.44/x
  3. Step 3: Cross multiply
    299,326.32x = 449,061.84 × 109,801.44
  4. Step 4: Simplify right side
    299,326.32x = 49,307,636,681.05
  5. Step 5: Solve for x
    x = 49,307,636,681.05/299,326.32
  6. Step 6: Final answer
    x = 164,728.70

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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.