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Finding the Fourth Proportional to 299,055.65, 448,506.86 and 88,644.38

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Solution

The fourth proportional to 299,055.65, 448,506.86 and 88,644.38 is: 132,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,055.65 : 448,506.86 = 88,644.38 : x
  2. Step 2: Convert to fraction form
    299,055.65/448,506.86 = 88,644.38/x
  3. Step 3: Cross multiply
    299,055.65x = 448,506.86 × 88,644.38
  4. Step 4: Simplify right side
    299,055.65x = 39,757,609,844.69
  5. Step 5: Solve for x
    x = 39,757,609,844.69/299,055.65
  6. Step 6: Final answer
    x = 132,943.85

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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.