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Finding the Fourth Proportional to 168,547.08, 252,894.38 and 79,863.88

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Solution

The fourth proportional to 168,547.08, 252,894.38 and 79,863.88 is: 119,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,547.08 : 252,894.38 = 79,863.88 : x
  2. Step 2: Convert to fraction form
    168,547.08/252,894.38 = 79,863.88/x
  3. Step 3: Cross multiply
    168,547.08x = 252,894.38 × 79,863.88
  4. Step 4: Simplify right side
    168,547.08x = 20,197,126,416.99
  5. Step 5: Solve for x
    x = 20,197,126,416.99/168,547.08
  6. Step 6: Final answer
    x = 119,830.77

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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.