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Finding the Fourth Proportional to 111,657.79, 167,503.07 and 32,761.63

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Solution

The fourth proportional to 111,657.79, 167,503.07 and 32,761.63 is: 49,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,657.79 : 167,503.07 = 32,761.63 : x
  2. Step 2: Convert to fraction form
    111,657.79/167,503.07 = 32,761.63/x
  3. Step 3: Cross multiply
    111,657.79x = 167,503.07 × 32,761.63
  4. Step 4: Simplify right side
    111,657.79x = 5,487,673,603.20
  5. Step 5: Solve for x
    x = 5,487,673,603.20/111,657.79
  6. Step 6: Final answer
    x = 49,147.25

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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.