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Finding the Fourth Proportional to 101,552.50, 140,057.51 and 76,118.60

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Solution

The fourth proportional to 101,552.50, 140,057.51 and 76,118.60 is: 104,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,552.50 : 140,057.51 = 76,118.60 : x
  2. Step 2: Convert to fraction form
    101,552.50/140,057.51 = 76,118.60/x
  3. Step 3: Cross multiply
    101,552.50x = 140,057.51 × 76,118.60
  4. Step 4: Simplify right side
    101,552.50x = 10,660,981,550.24
  5. Step 5: Solve for x
    x = 10,660,981,550.24/101,552.50
  6. Step 6: Final answer
    x = 104,980.00

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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.