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Finding the Fourth Proportional to 172,408.36, 237,922.90 and 96,956.84

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Solution

The fourth proportional to 172,408.36, 237,922.90 and 96,956.84 is: 133,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,408.36 : 237,922.90 = 96,956.84 : x
  2. Step 2: Convert to fraction form
    172,408.36/237,922.90 = 96,956.84/x
  3. Step 3: Cross multiply
    172,408.36x = 237,922.90 × 96,956.84
  4. Step 4: Simplify right side
    172,408.36x = 23,068,252,547.64
  5. Step 5: Solve for x
    x = 23,068,252,547.64/172,408.36
  6. Step 6: Final answer
    x = 133,800.08

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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.