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Finding the Fourth Proportional to 73,328.76, 110,140.44 and 71,261.64

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Solution

The fourth proportional to 73,328.76, 110,140.44 and 71,261.64 is: 107,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,328.76 : 110,140.44 = 71,261.64 : x
  2. Step 2: Convert to fraction form
    73,328.76/110,140.44 = 71,261.64/x
  3. Step 3: Cross multiply
    73,328.76x = 110,140.44 × 71,261.64
  4. Step 4: Simplify right side
    73,328.76x = 7,848,788,384.72
  5. Step 5: Solve for x
    x = 7,848,788,384.72/73,328.76
  6. Step 6: Final answer
    x = 107,035.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.