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Finding the Fourth Proportional to 78,195.58, 107,911.58 and 44,202.04

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Solution

The fourth proportional to 78,195.58, 107,911.58 and 44,202.04 is: 60,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195.58 : 107,911.58 = 44,202.04 : x
  2. Step 2: Convert to fraction form
    78,195.58/107,911.58 = 44,202.04/x
  3. Step 3: Cross multiply
    78,195.58x = 107,911.58 × 44,202.04
  4. Step 4: Simplify right side
    78,195.58x = 4,769,911,484.83
  5. Step 5: Solve for x
    x = 4,769,911,484.83/78,195.58
  6. Step 6: Final answer
    x = 60,999.76

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1.5x scale

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.