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Finding the Fourth Proportional to 188,524.95, 260,148.96 and 110,988.29

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Solution

The fourth proportional to 188,524.95, 260,148.96 and 110,988.29 is: 153,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,524.95 : 260,148.96 = 110,988.29 : x
  2. Step 2: Convert to fraction form
    188,524.95/260,148.96 = 110,988.29/x
  3. Step 3: Cross multiply
    188,524.95x = 260,148.96 × 110,988.29
  4. Step 4: Simplify right side
    188,524.95x = 28,873,486,914.93
  5. Step 5: Solve for x
    x = 28,873,486,914.93/188,524.95
  6. Step 6: Final answer
    x = 153,154.73

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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.