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Finding the Fourth Proportional to 158,352, 218,519.36 and 94,724.96

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Solution

The fourth proportional to 158,352, 218,519.36 and 94,724.96 is: 130,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,352 : 218,519.36 = 94,724.96 : x
  2. Step 2: Convert to fraction form
    158,352/218,519.36 = 94,724.96/x
  3. Step 3: Cross multiply
    158,352x = 218,519.36 × 94,724.96
  4. Step 4: Simplify right side
    158,352x = 20,699,237,635.23
  5. Step 5: Solve for x
    x = 20,699,237,635.23/158,352
  6. Step 6: Final answer
    x = 130,716.62

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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.