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Finding the Fourth Proportional to 164,883.90, 227,535.54 and 91,293.78

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Solution

The fourth proportional to 164,883.90, 227,535.54 and 91,293.78 is: 125,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,883.90 : 227,535.54 = 91,293.78 : x
  2. Step 2: Convert to fraction form
    164,883.90/227,535.54 = 91,293.78/x
  3. Step 3: Cross multiply
    164,883.90x = 227,535.54 × 91,293.78
  4. Step 4: Simplify right side
    164,883.90x = 20,772,579,530.94
  5. Step 5: Solve for x
    x = 20,772,579,530.94/164,883.90
  6. Step 6: Final answer
    x = 125,983.07

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1.5x scale

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.