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Finding the Fourth Proportional to 170,452.80, 235,280.16 and 113,876.80

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Solution

The fourth proportional to 170,452.80, 235,280.16 and 113,876.80 is: 157,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,452.80 : 235,280.16 = 113,876.80 : x
  2. Step 2: Convert to fraction form
    170,452.80/235,280.16 = 113,876.80/x
  3. Step 3: Cross multiply
    170,452.80x = 235,280.16 × 113,876.80
  4. Step 4: Simplify right side
    170,452.80x = 26,792,951,724.29
  5. Step 5: Solve for x
    x = 26,792,951,724.29/170,452.80
  6. Step 6: Final answer
    x = 157,186.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.