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Finding the Fourth Proportional to 158,643.68, 218,852.82 and 94,969.17

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Solution

The fourth proportional to 158,643.68, 218,852.82 and 94,969.17 is: 131,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643.68 : 218,852.82 = 94,969.17 : x
  2. Step 2: Convert to fraction form
    158,643.68/218,852.82 = 94,969.17/x
  3. Step 3: Cross multiply
    158,643.68x = 218,852.82 × 94,969.17
  4. Step 4: Simplify right side
    158,643.68x = 20,784,270,667.56
  5. Step 5: Solve for x
    x = 20,784,270,667.56/158,643.68
  6. Step 6: Final answer
    x = 131,012.29

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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.