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Finding the Fourth Proportional to 115,184.58, 158,967.66 and 64,201.97

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Solution

The fourth proportional to 115,184.58, 158,967.66 and 64,201.97 is: 88,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.58 : 158,967.66 = 64,201.97 : x
  2. Step 2: Convert to fraction form
    115,184.58/158,967.66 = 64,201.97/x
  3. Step 3: Cross multiply
    115,184.58x = 158,967.66 × 64,201.97
  4. Step 4: Simplify right side
    115,184.58x = 10,206,036,938.29
  5. Step 5: Solve for x
    x = 10,206,036,938.29/115,184.58
  6. Step 6: Final answer
    x = 88,605.93

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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.