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Finding the Fourth Proportional to 135,230.04, 186,616.44 and 75,614.04

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Solution

The fourth proportional to 135,230.04, 186,616.44 and 75,614.04 is: 104,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,230.04 : 186,616.44 = 75,614.04 : x
  2. Step 2: Convert to fraction form
    135,230.04/186,616.44 = 75,614.04/x
  3. Step 3: Cross multiply
    135,230.04x = 186,616.44 × 75,614.04
  4. Step 4: Simplify right side
    135,230.04x = 14,110,822,958.82
  5. Step 5: Solve for x
    x = 14,110,822,958.82/135,230.04
  6. Step 6: Final answer
    x = 104,346.81

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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.