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Finding the Fourth Proportional to 200,269.42, 300,507.68 and 88,028.44

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Solution

The fourth proportional to 200,269.42, 300,507.68 and 88,028.44 is: 132,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,269.42 : 300,507.68 = 88,028.44 : x
  2. Step 2: Convert to fraction form
    200,269.42/300,507.68 = 88,028.44/x
  3. Step 3: Cross multiply
    200,269.42x = 300,507.68 × 88,028.44
  4. Step 4: Simplify right side
    200,269.42x = 26,453,222,278.42
  5. Step 5: Solve for x
    x = 26,453,222,278.42/200,269.42
  6. Step 6: Final answer
    x = 132,088.18

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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.