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Finding the Fourth Proportional to 298,987.52, 448,404.74 and 88,576.25

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Solution

The fourth proportional to 298,987.52, 448,404.74 and 88,576.25 is: 132,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,987.52 : 448,404.74 = 88,576.25 : x
  2. Step 2: Convert to fraction form
    298,987.52/448,404.74 = 88,576.25/x
  3. Step 3: Cross multiply
    298,987.52x = 448,404.74 × 88,576.25
  4. Step 4: Simplify right side
    298,987.52x = 39,718,009,908.54
  5. Step 5: Solve for x
    x = 39,718,009,908.54/298,987.52
  6. Step 6: Final answer
    x = 132,841.70

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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.