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Finding the Fourth Proportional to 80,070.50, 110,497.29 and 44,742.50

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Solution

The fourth proportional to 80,070.50, 110,497.29 and 44,742.50 is: 61,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.50 : 110,497.29 = 44,742.50 : x
  2. Step 2: Convert to fraction form
    80,070.50/110,497.29 = 44,742.50/x
  3. Step 3: Cross multiply
    80,070.50x = 110,497.29 × 44,742.50
  4. Step 4: Simplify right side
    80,070.50x = 4,943,924,997.83
  5. Step 5: Solve for x
    x = 4,943,924,997.83/80,070.50
  6. Step 6: Final answer
    x = 61,744.65

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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.