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Finding the Fourth Proportional to 170,544.80, 256,108.80 and 111,641.60

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Solution

The fourth proportional to 170,544.80, 256,108.80 and 111,641.60 is: 167,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,544.80 : 256,108.80 = 111,641.60 : x
  2. Step 2: Convert to fraction form
    170,544.80/256,108.80 = 111,641.60/x
  3. Step 3: Cross multiply
    170,544.80x = 256,108.80 × 111,641.60
  4. Step 4: Simplify right side
    170,544.80x = 28,592,396,206.08
  5. Step 5: Solve for x
    x = 28,592,396,206.08/170,544.80
  6. Step 6: Final answer
    x = 167,653.29

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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.