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Finding the Fourth Proportional to 113,608.80, 170,413.32 and 113,444.72

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Solution

The fourth proportional to 113,608.80, 170,413.32 and 113,444.72 is: 170,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.80 : 170,413.32 = 113,444.72 : x
  2. Step 2: Convert to fraction form
    113,608.80/170,413.32 = 113,444.72/x
  3. Step 3: Cross multiply
    113,608.80x = 170,413.32 × 113,444.72
  4. Step 4: Simplify right side
    113,608.80x = 19,332,491,371.67
  5. Step 5: Solve for x
    x = 19,332,491,371.67/113,608.80
  6. Step 6: Final answer
    x = 170,167.20

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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.