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Finding the Fourth Proportional to 254,092.83, 350,645.67 and 139,369.10

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Solution

The fourth proportional to 254,092.83, 350,645.67 and 139,369.10 is: 192,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,092.83 : 350,645.67 = 139,369.10 : x
  2. Step 2: Convert to fraction form
    254,092.83/350,645.67 = 139,369.10/x
  3. Step 3: Cross multiply
    254,092.83x = 350,645.67 × 139,369.10
  4. Step 4: Simplify right side
    254,092.83x = 48,869,169,693.57
  5. Step 5: Solve for x
    x = 48,869,169,693.57/254,092.83
  6. Step 6: Final answer
    x = 192,328.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.