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Finding the Fourth Proportional to 254,995.95, 351,906.32 and 147,545.20

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Solution

The fourth proportional to 254,995.95, 351,906.32 and 147,545.20 is: 203,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,995.95 : 351,906.32 = 147,545.20 : x
  2. Step 2: Convert to fraction form
    254,995.95/351,906.32 = 147,545.20/x
  3. Step 3: Cross multiply
    254,995.95x = 351,906.32 × 147,545.20
  4. Step 4: Simplify right side
    254,995.95x = 51,922,088,344.47
  5. Step 5: Solve for x
    x = 51,922,088,344.47/254,995.95
  6. Step 6: Final answer
    x = 203,619.26

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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.