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Finding the Fourth Proportional to 73,284.90, 110,005.11 and 69,552.42

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Solution

The fourth proportional to 73,284.90, 110,005.11 and 69,552.42 is: 104,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,284.90 : 110,005.11 = 69,552.42 : x
  2. Step 2: Convert to fraction form
    73,284.90/110,005.11 = 69,552.42/x
  3. Step 3: Cross multiply
    73,284.90x = 110,005.11 × 69,552.42
  4. Step 4: Simplify right side
    73,284.90x = 7,651,121,612.87
  5. Step 5: Solve for x
    x = 7,651,121,612.87/73,284.90
  6. Step 6: Final answer
    x = 104,402.43

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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.