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Finding the Fourth Proportional to 183,110.10, 252,689.67 and 111,489.90

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Solution

The fourth proportional to 183,110.10, 252,689.67 and 111,489.90 is: 153,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,110.10 : 252,689.67 = 111,489.90 : x
  2. Step 2: Convert to fraction form
    183,110.10/252,689.67 = 111,489.90/x
  3. Step 3: Cross multiply
    183,110.10x = 252,689.67 × 111,489.90
  4. Step 4: Simplify right side
    183,110.10x = 28,172,346,039.33
  5. Step 5: Solve for x
    x = 28,172,346,039.33/183,110.10
  6. Step 6: Final answer
    x = 153,854.68

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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.