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Finding the Fourth Proportional to 328,717.01, 493,092.93 and 104,101.18

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Solution

The fourth proportional to 328,717.01, 493,092.93 and 104,101.18 is: 156,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,717.01 : 493,092.93 = 104,101.18 : x
  2. Step 2: Convert to fraction form
    328,717.01/493,092.93 = 104,101.18/x
  3. Step 3: Cross multiply
    328,717.01x = 493,092.93 × 104,101.18
  4. Step 4: Simplify right side
    328,717.01x = 51,331,555,862.66
  5. Step 5: Solve for x
    x = 51,331,555,862.66/328,717.01
  6. Step 6: Final answer
    x = 156,157.29

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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.