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Finding the Fourth Proportional to 191,074.62, 286,612.62 and 57,956.04

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Solution

The fourth proportional to 191,074.62, 286,612.62 and 57,956.04 is: 86,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,074.62 : 286,612.62 = 57,956.04 : x
  2. Step 2: Convert to fraction form
    191,074.62/286,612.62 = 57,956.04/x
  3. Step 3: Cross multiply
    191,074.62x = 286,612.62 × 57,956.04
  4. Step 4: Simplify right side
    191,074.62x = 16,610,932,469.22
  5. Step 5: Solve for x
    x = 16,610,932,469.22/191,074.62
  6. Step 6: Final answer
    x = 86,934.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.