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Finding the Fourth Proportional to 111,595.74, 153,958.50 and 63,823.56

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Solution

The fourth proportional to 111,595.74, 153,958.50 and 63,823.56 is: 88,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,595.74 : 153,958.50 = 63,823.56 : x
  2. Step 2: Convert to fraction form
    111,595.74/153,958.50 = 63,823.56/x
  3. Step 3: Cross multiply
    111,595.74x = 153,958.50 × 63,823.56
  4. Step 4: Simplify right side
    111,595.74x = 9,826,179,562.26
  5. Step 5: Solve for x
    x = 9,826,179,562.26/111,595.74
  6. Step 6: Final answer
    x = 88,051.57

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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.