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Finding the Fourth Proportional to 158,132.64, 218,187.36 and 94,458

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Solution

The fourth proportional to 158,132.64, 218,187.36 and 94,458 is: 130,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,132.64 : 218,187.36 = 94,458 : x
  2. Step 2: Convert to fraction form
    158,132.64/218,187.36 = 94,458/x
  3. Step 3: Cross multiply
    158,132.64x = 218,187.36 × 94,458
  4. Step 4: Simplify right side
    158,132.64x = 20,609,541,650.88
  5. Step 5: Solve for x
    x = 20,609,541,650.88/158,132.64
  6. Step 6: Final answer
    x = 130,330.73

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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.