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Finding the Fourth Proportional to 73,094.85, 100,869.80 and 40,829.92

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Solution

The fourth proportional to 73,094.85, 100,869.80 and 40,829.92 is: 56,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,094.85 : 100,869.80 = 40,829.92 : x
  2. Step 2: Convert to fraction form
    73,094.85/100,869.80 = 40,829.92/x
  3. Step 3: Cross multiply
    73,094.85x = 100,869.80 × 40,829.92
  4. Step 4: Simplify right side
    73,094.85x = 4,118,505,714.32
  5. Step 5: Solve for x
    x = 4,118,505,714.32/73,094.85
  6. Step 6: Final answer
    x = 56,344.68

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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.