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Finding the Fourth Proportional to 112,002.90, 168,034.05 and 48,795.90

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Solution

The fourth proportional to 112,002.90, 168,034.05 and 48,795.90 is: 73,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.90 : 168,034.05 = 48,795.90 : x
  2. Step 2: Convert to fraction form
    112,002.90/168,034.05 = 48,795.90/x
  3. Step 3: Cross multiply
    112,002.90x = 168,034.05 × 48,795.90
  4. Step 4: Simplify right side
    112,002.90x = 8,199,372,700.40
  5. Step 5: Solve for x
    x = 8,199,372,700.40/112,002.90
  6. Step 6: Final answer
    x = 73,206.79

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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.