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Finding the Fourth Proportional to 104,703.24, 156,964.14 and 42,333.24

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Solution

The fourth proportional to 104,703.24, 156,964.14 and 42,333.24 is: 63,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,703.24 : 156,964.14 = 42,333.24 : x
  2. Step 2: Convert to fraction form
    104,703.24/156,964.14 = 42,333.24/x
  3. Step 3: Cross multiply
    104,703.24x = 156,964.14 × 42,333.24
  4. Step 4: Simplify right side
    104,703.24x = 6,644,800,610.01
  5. Step 5: Solve for x
    x = 6,644,800,610.01/104,703.24
  6. Step 6: Final answer
    x = 63,463.18

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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.