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Finding the Fourth Proportional to 158,552.94, 218,809.89 and 94,878.48

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Solution

The fourth proportional to 158,552.94, 218,809.89 and 94,878.48 is: 130,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,552.94 : 218,809.89 = 94,878.48 : x
  2. Step 2: Convert to fraction form
    158,552.94/218,809.89 = 94,878.48/x
  3. Step 3: Cross multiply
    158,552.94x = 218,809.89 × 94,878.48
  4. Step 4: Simplify right side
    158,552.94x = 20,760,349,772.17
  5. Step 5: Solve for x
    x = 20,760,349,772.17/158,552.94
  6. Step 6: Final answer
    x = 130,936.39

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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.