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Finding the Fourth Proportional to 225,571.50, 338,357.25 and 67,800.11

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Solution

The fourth proportional to 225,571.50, 338,357.25 and 67,800.11 is: 101,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,571.50 : 338,357.25 = 67,800.11 : x
  2. Step 2: Convert to fraction form
    225,571.50/338,357.25 = 67,800.11/x
  3. Step 3: Cross multiply
    225,571.50x = 338,357.25 × 67,800.11
  4. Step 4: Simplify right side
    225,571.50x = 22,940,657,077.51
  5. Step 5: Solve for x
    x = 22,940,657,077.51/225,571.50
  6. Step 6: Final answer
    x = 101,700.16

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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.