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Finding the Fourth Proportional to 170,735.70, 256,103.55 and 117,591.60

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Solution

The fourth proportional to 170,735.70, 256,103.55 and 117,591.60 is: 176,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,735.70 : 256,103.55 = 117,591.60 : x
  2. Step 2: Convert to fraction form
    170,735.70/256,103.55 = 117,591.60/x
  3. Step 3: Cross multiply
    170,735.70x = 256,103.55 × 117,591.60
  4. Step 4: Simplify right side
    170,735.70x = 30,115,626,210.18
  5. Step 5: Solve for x
    x = 30,115,626,210.18/170,735.70
  6. Step 6: Final answer
    x = 176,387.40

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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.