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Finding the Fourth Proportional to 135,798.01, 187,398.44 and 75,365.14

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Solution

The fourth proportional to 135,798.01, 187,398.44 and 75,365.14 is: 104,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,798.01 : 187,398.44 = 75,365.14 : x
  2. Step 2: Convert to fraction form
    135,798.01/187,398.44 = 75,365.14/x
  3. Step 3: Cross multiply
    135,798.01x = 187,398.44 × 75,365.14
  4. Step 4: Simplify right side
    135,798.01x = 14,123,309,289.56
  5. Step 5: Solve for x
    x = 14,123,309,289.56/135,798.01
  6. Step 6: Final answer
    x = 104,002.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.