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Finding the Fourth Proportional to 298,417.50, 447,708.26 and 88,055.44

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Solution

The fourth proportional to 298,417.50, 447,708.26 and 88,055.44 is: 132,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,417.50 : 447,708.26 = 88,055.44 : x
  2. Step 2: Convert to fraction form
    298,417.50/447,708.26 = 88,055.44/x
  3. Step 3: Cross multiply
    298,417.50x = 447,708.26 × 88,055.44
  4. Step 4: Simplify right side
    298,417.50x = 39,423,146,926.80
  5. Step 5: Solve for x
    x = 39,423,146,926.80/298,417.50
  6. Step 6: Final answer
    x = 132,107.36

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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.