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Finding the Fourth Proportional to 101,287.97, 151,546.47 and 61,159.25

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Solution

The fourth proportional to 101,287.97, 151,546.47 and 61,159.25 is: 91,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,287.97 : 151,546.47 = 61,159.25 : x
  2. Step 2: Convert to fraction form
    101,287.97/151,546.47 = 61,159.25/x
  3. Step 3: Cross multiply
    101,287.97x = 151,546.47 × 61,159.25
  4. Step 4: Simplify right side
    101,287.97x = 9,268,468,445.35
  5. Step 5: Solve for x
    x = 9,268,468,445.35/101,287.97
  6. Step 6: Final answer
    x = 91,506.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.