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Finding the Fourth Proportional to 172,906.10, 238,612.23 and 97,454.60

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Solution

The fourth proportional to 172,906.10, 238,612.23 and 97,454.60 is: 134,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,906.10 : 238,612.23 = 97,454.60 : x
  2. Step 2: Convert to fraction form
    172,906.10/238,612.23 = 97,454.60/x
  3. Step 3: Cross multiply
    172,906.10x = 238,612.23 × 97,454.60
  4. Step 4: Simplify right side
    172,906.10x = 23,253,859,429.76
  5. Step 5: Solve for x
    x = 23,253,859,429.76/172,906.10
  6. Step 6: Final answer
    x = 134,488.37

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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.