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Finding the Fourth Proportional to 120,237.88, 165,880.04 and 69,223.24

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Solution

The fourth proportional to 120,237.88, 165,880.04 and 69,223.24 is: 95,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,237.88 : 165,880.04 = 69,223.24 : x
  2. Step 2: Convert to fraction form
    120,237.88/165,880.04 = 69,223.24/x
  3. Step 3: Cross multiply
    120,237.88x = 165,880.04 × 69,223.24
  4. Step 4: Simplify right side
    120,237.88x = 11,482,753,997.17
  5. Step 5: Solve for x
    x = 11,482,753,997.17/120,237.88
  6. Step 6: Final answer
    x = 95,500.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.