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Finding the Fourth Proportional to 104,000.42, 156,020.08 and 41,675.78

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Solution

The fourth proportional to 104,000.42, 156,020.08 and 41,675.78 is: 62,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.42 : 156,020.08 = 41,675.78 : x
  2. Step 2: Convert to fraction form
    104,000.42/156,020.08 = 41,675.78/x
  3. Step 3: Cross multiply
    104,000.42x = 156,020.08 × 41,675.78
  4. Step 4: Simplify right side
    104,000.42x = 6,502,258,529.66
  5. Step 5: Solve for x
    x = 6,502,258,529.66/104,000.42
  6. Step 6: Final answer
    x = 62,521.46

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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.