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Finding the Fourth Proportional to 169,944.51, 234,552.78 and 98,364

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Solution

The fourth proportional to 169,944.51, 234,552.78 and 98,364 is: 135,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,944.51 : 234,552.78 = 98,364 : x
  2. Step 2: Convert to fraction form
    169,944.51/234,552.78 = 98,364/x
  3. Step 3: Cross multiply
    169,944.51x = 234,552.78 × 98,364
  4. Step 4: Simplify right side
    169,944.51x = 23,071,549,651.92
  5. Step 5: Solve for x
    x = 23,071,549,651.92/169,944.51
  6. Step 6: Final answer
    x = 135,759.31

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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.