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Finding the Fourth Proportional to 225,424.16, 338,122.80 and 67,655.52

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Solution

The fourth proportional to 225,424.16, 338,122.80 and 67,655.52 is: 101,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,424.16 : 338,122.80 = 67,655.52 : x
  2. Step 2: Convert to fraction form
    225,424.16/338,122.80 = 67,655.52/x
  3. Step 3: Cross multiply
    225,424.16x = 338,122.80 × 67,655.52
  4. Step 4: Simplify right side
    225,424.16x = 22,875,873,857.86
  5. Step 5: Solve for x
    x = 22,875,873,857.86/225,424.16
  6. Step 6: Final answer
    x = 101,479.25

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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.