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Finding the Fourth Proportional to 111,595.06, 154,027.96 and 63,876.06

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Solution

The fourth proportional to 111,595.06, 154,027.96 and 63,876.06 is: 88,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,595.06 : 154,027.96 = 63,876.06 : x
  2. Step 2: Convert to fraction form
    111,595.06/154,027.96 = 63,876.06/x
  3. Step 3: Cross multiply
    111,595.06x = 154,027.96 × 63,876.06
  4. Step 4: Simplify right side
    111,595.06x = 9,838,699,214.64
  5. Step 5: Solve for x
    x = 9,838,699,214.64/111,595.06
  6. Step 6: Final answer
    x = 88,164.29

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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.