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Finding the Fourth Proportional to 164,508.31, 227,017.29 and 91,911.76

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Solution

The fourth proportional to 164,508.31, 227,017.29 and 91,911.76 is: 126,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,508.31 : 227,017.29 = 91,911.76 : x
  2. Step 2: Convert to fraction form
    164,508.31/227,017.29 = 91,911.76/x
  3. Step 3: Cross multiply
    164,508.31x = 227,017.29 × 91,911.76
  4. Step 4: Simplify right side
    164,508.31x = 20,865,557,647.23
  5. Step 5: Solve for x
    x = 20,865,557,647.23/164,508.31
  6. Step 6: Final answer
    x = 126,835.89

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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.