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Finding the Fourth Proportional to 164,751.28, 227,362.13 and 91,164.53

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Solution

The fourth proportional to 164,751.28, 227,362.13 and 91,164.53 is: 125,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,751.28 : 227,362.13 = 91,164.53 : x
  2. Step 2: Convert to fraction form
    164,751.28/227,362.13 = 91,164.53/x
  3. Step 3: Cross multiply
    164,751.28x = 227,362.13 × 91,164.53
  4. Step 4: Simplify right side
    164,751.28x = 20,727,362,175.70
  5. Step 5: Solve for x
    x = 20,727,362,175.70/164,751.28
  6. Step 6: Final answer
    x = 125,810.02

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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.