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Finding the Fourth Proportional to 297,537.68, 446,248.20 and 87,119.12

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Solution

The fourth proportional to 297,537.68, 446,248.20 and 87,119.12 is: 130,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,537.68 : 446,248.20 = 87,119.12 : x
  2. Step 2: Convert to fraction form
    297,537.68/446,248.20 = 87,119.12/x
  3. Step 3: Cross multiply
    297,537.68x = 446,248.20 × 87,119.12
  4. Step 4: Simplify right side
    297,537.68x = 38,876,750,485.58
  5. Step 5: Solve for x
    x = 38,876,750,485.58/297,537.68
  6. Step 6: Final answer
    x = 130,661.60

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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.