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Finding the Fourth Proportional to 166,693.36, 230,032.56 and 91,237

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Solution

The fourth proportional to 166,693.36, 230,032.56 and 91,237 is: 125,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,693.36 : 230,032.56 = 91,237 : x
  2. Step 2: Convert to fraction form
    166,693.36/230,032.56 = 91,237/x
  3. Step 3: Cross multiply
    166,693.36x = 230,032.56 × 91,237
  4. Step 4: Simplify right side
    166,693.36x = 20,987,480,676.72
  5. Step 5: Solve for x
    x = 20,987,480,676.72/166,693.36
  6. Step 6: Final answer
    x = 125,904.72

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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.