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Finding the Fourth Proportional to 117,482.20, 176,107.44 and 75,242.32

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Solution

The fourth proportional to 117,482.20, 176,107.44 and 75,242.32 is: 112,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.20 : 176,107.44 = 75,242.32 : x
  2. Step 2: Convert to fraction form
    117,482.20/176,107.44 = 75,242.32/x
  3. Step 3: Cross multiply
    117,482.20x = 176,107.44 × 75,242.32
  4. Step 4: Simplify right side
    117,482.20x = 13,250,732,354.86
  5. Step 5: Solve for x
    x = 13,250,732,354.86/117,482.20
  6. Step 6: Final answer
    x = 112,789.28

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1.5x scale

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.