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Finding the Fourth Proportional to 298,036.76, 447,056.04 and 73,402.49

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Solution

The fourth proportional to 298,036.76, 447,056.04 and 73,402.49 is: 110,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,036.76 : 447,056.04 = 73,402.49 : x
  2. Step 2: Convert to fraction form
    298,036.76/447,056.04 = 73,402.49/x
  3. Step 3: Cross multiply
    298,036.76x = 447,056.04 × 73,402.49
  4. Step 4: Simplify right side
    298,036.76x = 32,815,024,270.26
  5. Step 5: Solve for x
    x = 32,815,024,270.26/298,036.76
  6. Step 6: Final answer
    x = 110,103.95

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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.