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Finding the Fourth Proportional to 200,417.22, 300,653.51 and 67,335.54

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Solution

The fourth proportional to 200,417.22, 300,653.51 and 67,335.54 is: 101,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,417.22 : 300,653.51 = 67,335.54 : x
  2. Step 2: Convert to fraction form
    200,417.22/300,653.51 = 67,335.54/x
  3. Step 3: Cross multiply
    200,417.22x = 300,653.51 × 67,335.54
  4. Step 4: Simplify right side
    200,417.22x = 20,244,666,448.75
  5. Step 5: Solve for x
    x = 20,244,666,448.75/200,417.22
  6. Step 6: Final answer
    x = 101,012.61

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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.