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Finding the Fourth Proportional to 172,717.85, 238,347.04 and 96,236.64

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Solution

The fourth proportional to 172,717.85, 238,347.04 and 96,236.64 is: 132,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,717.85 : 238,347.04 = 96,236.64 : x
  2. Step 2: Convert to fraction form
    172,717.85/238,347.04 = 96,236.64/x
  3. Step 3: Cross multiply
    172,717.85x = 238,347.04 × 96,236.64
  4. Step 4: Simplify right side
    172,717.85x = 22,937,716,610.63
  5. Step 5: Solve for x
    x = 22,937,716,610.63/172,717.85
  6. Step 6: Final answer
    x = 132,804.56

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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.