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Finding the Fourth Proportional to 168,728.40, 232,845.41 and 97,108.40

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Solution

The fourth proportional to 168,728.40, 232,845.41 and 97,108.40 is: 134,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,728.40 : 232,845.41 = 97,108.40 : x
  2. Step 2: Convert to fraction form
    168,728.40/232,845.41 = 97,108.40/x
  3. Step 3: Cross multiply
    168,728.40x = 232,845.41 × 97,108.40
  4. Step 4: Simplify right side
    168,728.40x = 22,611,246,037.33
  5. Step 5: Solve for x
    x = 22,611,246,037.33/168,728.40
  6. Step 6: Final answer
    x = 134,009.72

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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.