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Finding the Fourth Proportional to 200,739.28, 301,123.50 and 60,508.84

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Solution

The fourth proportional to 200,739.28, 301,123.50 and 60,508.84 is: 90,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,739.28 : 301,123.50 = 60,508.84 : x
  2. Step 2: Convert to fraction form
    200,739.28/301,123.50 = 60,508.84/x
  3. Step 3: Cross multiply
    200,739.28x = 301,123.50 × 60,508.84
  4. Step 4: Simplify right side
    200,739.28x = 18,220,633,681.74
  5. Step 5: Solve for x
    x = 18,220,633,681.74/200,739.28
  6. Step 6: Final answer
    x = 90,767.65

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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.