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Finding the Fourth Proportional to 78,025.92, 107,675.70 and 44,041.56

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Solution

The fourth proportional to 78,025.92, 107,675.70 and 44,041.56 is: 60,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,025.92 : 107,675.70 = 44,041.56 : x
  2. Step 2: Convert to fraction form
    78,025.92/107,675.70 = 44,041.56/x
  3. Step 3: Cross multiply
    78,025.92x = 107,675.70 × 44,041.56
  4. Step 4: Simplify right side
    78,025.92x = 4,742,205,802.09
  5. Step 5: Solve for x
    x = 4,742,205,802.09/78,025.92
  6. Step 6: Final answer
    x = 60,777.31

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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.