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Finding the Fourth Proportional to 158,094.60, 218,260.81 and 104,534.97

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Solution

The fourth proportional to 158,094.60, 218,260.81 and 104,534.97 is: 144,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,094.60 : 218,260.81 = 104,534.97 : x
  2. Step 2: Convert to fraction form
    158,094.60/218,260.81 = 104,534.97/x
  3. Step 3: Cross multiply
    158,094.60x = 218,260.81 × 104,534.97
  4. Step 4: Simplify right side
    158,094.60x = 22,815,886,537.72
  5. Step 5: Solve for x
    x = 22,815,886,537.72/158,094.60
  6. Step 6: Final answer
    x = 144,317.94

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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.