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Finding the Fourth Proportional to 136,194.96, 204,292.44 and 42,708

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Solution

The fourth proportional to 136,194.96, 204,292.44 and 42,708 is: 64,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,194.96 : 204,292.44 = 42,708 : x
  2. Step 2: Convert to fraction form
    136,194.96/204,292.44 = 42,708/x
  3. Step 3: Cross multiply
    136,194.96x = 204,292.44 × 42,708
  4. Step 4: Simplify right side
    136,194.96x = 8,724,921,527.52
  5. Step 5: Solve for x
    x = 8,724,921,527.52/136,194.96
  6. Step 6: Final answer
    x = 64,062.00

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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.