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Finding the Fourth Proportional to 172,660.16, 238,216.20 and 97,194.08

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Solution

The fourth proportional to 172,660.16, 238,216.20 and 97,194.08 is: 134,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,660.16 : 238,216.20 = 97,194.08 : x
  2. Step 2: Convert to fraction form
    172,660.16/238,216.20 = 97,194.08/x
  3. Step 3: Cross multiply
    172,660.16x = 238,216.20 × 97,194.08
  4. Step 4: Simplify right side
    172,660.16x = 23,153,204,400.10
  5. Step 5: Solve for x
    x = 23,153,204,400.10/172,660.16
  6. Step 6: Final answer
    x = 134,096.97

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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.