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Finding the Fourth Proportional to 121,012.74, 181,527.78 and 32,265.78

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Solution

The fourth proportional to 121,012.74, 181,527.78 and 32,265.78 is: 48,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,012.74 : 181,527.78 = 32,265.78 : x
  2. Step 2: Convert to fraction form
    121,012.74/181,527.78 = 32,265.78/x
  3. Step 3: Cross multiply
    121,012.74x = 181,527.78 × 32,265.78
  4. Step 4: Simplify right side
    121,012.74x = 5,857,135,413.37
  5. Step 5: Solve for x
    x = 5,857,135,413.37/121,012.74
  6. Step 6: Final answer
    x = 48,400.98

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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.