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Finding the Fourth Proportional to 118,527.20, 177,560.40 and 65,842.40

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Solution

The fourth proportional to 118,527.20, 177,560.40 and 65,842.40 is: 98,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,527.20 : 177,560.40 = 65,842.40 : x
  2. Step 2: Convert to fraction form
    118,527.20/177,560.40 = 65,842.40/x
  3. Step 3: Cross multiply
    118,527.20x = 177,560.40 × 65,842.40
  4. Step 4: Simplify right side
    118,527.20x = 11,691,002,880.96
  5. Step 5: Solve for x
    x = 11,691,002,880.96/118,527.20
  6. Step 6: Final answer
    x = 98,635.61

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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.