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Finding the Fourth Proportional to 75,104.20, 112,670.88 and 22,509.28

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Solution

The fourth proportional to 75,104.20, 112,670.88 and 22,509.28 is: 33,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,104.20 : 112,670.88 = 22,509.28 : x
  2. Step 2: Convert to fraction form
    75,104.20/112,670.88 = 22,509.28/x
  3. Step 3: Cross multiply
    75,104.20x = 112,670.88 × 22,509.28
  4. Step 4: Simplify right side
    75,104.20x = 2,536,140,385.77
  5. Step 5: Solve for x
    x = 2,536,140,385.77/75,104.20
  6. Step 6: Final answer
    x = 33,768.29

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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.