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Finding the Fourth Proportional to 109,750.80, 164,626.20 and 75,925.20

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Solution

The fourth proportional to 109,750.80, 164,626.20 and 75,925.20 is: 113,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,750.80 : 164,626.20 = 75,925.20 : x
  2. Step 2: Convert to fraction form
    109,750.80/164,626.20 = 75,925.20/x
  3. Step 3: Cross multiply
    109,750.80x = 164,626.20 × 75,925.20
  4. Step 4: Simplify right side
    109,750.80x = 12,499,277,160.24
  5. Step 5: Solve for x
    x = 12,499,277,160.24/109,750.80
  6. Step 6: Final answer
    x = 113,887.80

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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.