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Finding the Fourth Proportional to 158,167.54, 218,264.70 and 94,540.42

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Solution

The fourth proportional to 158,167.54, 218,264.70 and 94,540.42 is: 130,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,167.54 : 218,264.70 = 94,540.42 : x
  2. Step 2: Convert to fraction form
    158,167.54/218,264.70 = 94,540.42/x
  3. Step 3: Cross multiply
    158,167.54x = 218,264.70 × 94,540.42
  4. Step 4: Simplify right side
    158,167.54x = 20,634,836,409.17
  5. Step 5: Solve for x
    x = 20,634,836,409.17/158,167.54
  6. Step 6: Final answer
    x = 130,461.89

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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.