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Finding the Fourth Proportional to 299,125.65, 448,773.27 and 121,759.95

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Solution

The fourth proportional to 299,125.65, 448,773.27 and 121,759.95 is: 182,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,125.65 : 448,773.27 = 121,759.95 : x
  2. Step 2: Convert to fraction form
    299,125.65/448,773.27 = 121,759.95/x
  3. Step 3: Cross multiply
    299,125.65x = 448,773.27 × 121,759.95
  4. Step 4: Simplify right side
    299,125.65x = 54,642,610,916.54
  5. Step 5: Solve for x
    x = 54,642,610,916.54/299,125.65
  6. Step 6: Final answer
    x = 182,674.44

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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.