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Finding the Fourth Proportional to 78,041.65, 107,697.84 and 44,051.58

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Solution

The fourth proportional to 78,041.65, 107,697.84 and 44,051.58 is: 60,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,041.65 : 107,697.84 = 44,051.58 : x
  2. Step 2: Convert to fraction form
    78,041.65/107,697.84 = 44,051.58/x
  3. Step 3: Cross multiply
    78,041.65x = 107,697.84 × 44,051.58
  4. Step 4: Simplify right side
    78,041.65x = 4,744,260,014.59
  5. Step 5: Solve for x
    x = 4,744,260,014.59/78,041.65
  6. Step 6: Final answer
    x = 60,791.39

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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.