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Finding the Fourth Proportional to 104,658.15, 156,965.27 and 34,521.03

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Solution

The fourth proportional to 104,658.15, 156,965.27 and 34,521.03 is: 51,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.15 : 156,965.27 = 34,521.03 : x
  2. Step 2: Convert to fraction form
    104,658.15/156,965.27 = 34,521.03/x
  3. Step 3: Cross multiply
    104,658.15x = 156,965.27 × 34,521.03
  4. Step 4: Simplify right side
    104,658.15x = 5,418,602,622.02
  5. Step 5: Solve for x
    x = 5,418,602,622.02/104,658.15
  6. Step 6: Final answer
    x = 51,774.30

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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.