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Finding the Fourth Proportional to 244,697.90, 367,046.85 and 78,502.70

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Solution

The fourth proportional to 244,697.90, 367,046.85 and 78,502.70 is: 117,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,697.90 : 367,046.85 = 78,502.70 : x
  2. Step 2: Convert to fraction form
    244,697.90/367,046.85 = 78,502.70/x
  3. Step 3: Cross multiply
    244,697.90x = 367,046.85 × 78,502.70
  4. Step 4: Simplify right side
    244,697.90x = 28,814,168,751.50
  5. Step 5: Solve for x
    x = 28,814,168,751.50/244,697.90
  6. Step 6: Final answer
    x = 117,754.05

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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.