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Finding the Fourth Proportional to 200,309.60, 300,567.96 and 88,068.56

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Solution

The fourth proportional to 200,309.60, 300,567.96 and 88,068.56 is: 132,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,309.60 : 300,567.96 = 88,068.56 : x
  2. Step 2: Convert to fraction form
    200,309.60/300,567.96 = 88,068.56/x
  3. Step 3: Cross multiply
    200,309.60x = 300,567.96 × 88,068.56
  4. Step 4: Simplify right side
    200,309.60x = 26,470,587,419.34
  5. Step 5: Solve for x
    x = 26,470,587,419.34/200,309.60
  6. Step 6: Final answer
    x = 132,148.37

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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.