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Finding the Fourth Proportional to 110,876.75, 153,009.93 and 60,575.75

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Solution

The fourth proportional to 110,876.75, 153,009.93 and 60,575.75 is: 83,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,876.75 : 153,009.93 = 60,575.75 : x
  2. Step 2: Convert to fraction form
    110,876.75/153,009.93 = 60,575.75/x
  3. Step 3: Cross multiply
    110,876.75x = 153,009.93 × 60,575.75
  4. Step 4: Simplify right side
    110,876.75x = 9,268,691,267.20
  5. Step 5: Solve for x
    x = 9,268,691,267.20/110,876.75
  6. Step 6: Final answer
    x = 83,594.54

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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.