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Finding the Fourth Proportional to 244,614.12, 366,973.02 and 78,518.76

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Solution

The fourth proportional to 244,614.12, 366,973.02 and 78,518.76 is: 117,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,614.12 : 366,973.02 = 78,518.76 : x
  2. Step 2: Convert to fraction form
    244,614.12/366,973.02 = 78,518.76/x
  3. Step 3: Cross multiply
    244,614.12x = 366,973.02 × 78,518.76
  4. Step 4: Simplify right side
    244,614.12x = 28,814,266,483.86
  5. Step 5: Solve for x
    x = 28,814,266,483.86/244,614.12
  6. Step 6: Final answer
    x = 117,794.78

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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.