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Finding the Fourth Proportional to 440,189.59, 660,041.08 and 136,499.53

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Solution

The fourth proportional to 440,189.59, 660,041.08 and 136,499.53 is: 204,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,189.59 : 660,041.08 = 136,499.53 : x
  2. Step 2: Convert to fraction form
    440,189.59/660,041.08 = 136,499.53/x
  3. Step 3: Cross multiply
    440,189.59x = 660,041.08 × 136,499.53
  4. Step 4: Simplify right side
    440,189.59x = 90,095,297,200.69
  5. Step 5: Solve for x
    x = 90,095,297,200.69/440,189.59
  6. Step 6: Final answer
    x = 204,673.85

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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.