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Finding the Fourth Proportional to 159,008.97, 219,427.74 and 91,023.69

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Solution

The fourth proportional to 159,008.97, 219,427.74 and 91,023.69 is: 125,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,008.97 : 219,427.74 = 91,023.69 : x
  2. Step 2: Convert to fraction form
    159,008.97/219,427.74 = 91,023.69/x
  3. Step 3: Cross multiply
    159,008.97x = 219,427.74 × 91,023.69
  4. Step 4: Simplify right side
    159,008.97x = 19,973,122,583.16
  5. Step 5: Solve for x
    x = 19,973,122,583.16/159,008.97
  6. Step 6: Final answer
    x = 125,610.04

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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.