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Finding the Fourth Proportional to 200,215.80, 300,235.14 and 59,948.28

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Solution

The fourth proportional to 200,215.80, 300,235.14 and 59,948.28 is: 89,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,215.80 : 300,235.14 = 59,948.28 : x
  2. Step 2: Convert to fraction form
    200,215.80/300,235.14 = 59,948.28/x
  3. Step 3: Cross multiply
    200,215.80x = 300,235.14 × 59,948.28
  4. Step 4: Simplify right side
    200,215.80x = 17,998,580,238.56
  5. Step 5: Solve for x
    x = 17,998,580,238.56/200,215.80
  6. Step 6: Final answer
    x = 89,895.90

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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.