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Finding the Fourth Proportional to 110,612.80, 152,645.28 and 60,311.80

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Solution

The fourth proportional to 110,612.80, 152,645.28 and 60,311.80 is: 83,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,612.80 : 152,645.28 = 60,311.80 : x
  2. Step 2: Convert to fraction form
    110,612.80/152,645.28 = 60,311.80/x
  3. Step 3: Cross multiply
    110,612.80x = 152,645.28 × 60,311.80
  4. Step 4: Simplify right side
    110,612.80x = 9,206,311,598.30
  5. Step 5: Solve for x
    x = 9,206,311,598.30/110,612.80
  6. Step 6: Final answer
    x = 83,230.07

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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.