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Finding the Fourth Proportional to 299,056.65, 448,508.35 and 88,645.38

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Solution

The fourth proportional to 299,056.65, 448,508.35 and 88,645.38 is: 132,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,056.65 : 448,508.35 = 88,645.38 : x
  2. Step 2: Convert to fraction form
    299,056.65/448,508.35 = 88,645.38/x
  3. Step 3: Cross multiply
    299,056.65x = 448,508.35 × 88,645.38
  4. Step 4: Simplify right side
    299,056.65x = 39,758,193,118.92
  5. Step 5: Solve for x
    x = 39,758,193,118.92/299,056.65
  6. Step 6: Final answer
    x = 132,945.36

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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.