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Finding the Fourth Proportional to 244,648.90, 366,973.35 and 78,453.70

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Solution

The fourth proportional to 244,648.90, 366,973.35 and 78,453.70 is: 117,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,648.90 : 366,973.35 = 78,453.70 : x
  2. Step 2: Convert to fraction form
    244,648.90/366,973.35 = 78,453.70/x
  3. Step 3: Cross multiply
    244,648.90x = 366,973.35 × 78,453.70
  4. Step 4: Simplify right side
    244,648.90x = 28,790,417,108.90
  5. Step 5: Solve for x
    x = 28,790,417,108.90/244,648.90
  6. Step 6: Final answer
    x = 117,680.55

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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.