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Finding the Fourth Proportional to 104,506.49, 156,710.35 and 40,494.62

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Solution

The fourth proportional to 104,506.49, 156,710.35 and 40,494.62 is: 60,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,506.49 : 156,710.35 = 40,494.62 : x
  2. Step 2: Convert to fraction form
    104,506.49/156,710.35 = 40,494.62/x
  3. Step 3: Cross multiply
    104,506.49x = 156,710.35 × 40,494.62
  4. Step 4: Simplify right side
    104,506.49x = 6,345,926,073.32
  5. Step 5: Solve for x
    x = 6,345,926,073.32/104,506.49
  6. Step 6: Final answer
    x = 60,722.79

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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.