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Finding the Fourth Proportional to 211,755.08, 317,334 and 117,027.92

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Solution

The fourth proportional to 211,755.08, 317,334 and 117,027.92 is: 175,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,755.08 : 317,334 = 117,027.92 : x
  2. Step 2: Convert to fraction form
    211,755.08/317,334 = 117,027.92/x
  3. Step 3: Cross multiply
    211,755.08x = 317,334 × 117,027.92
  4. Step 4: Simplify right side
    211,755.08x = 37,136,937,965.28
  5. Step 5: Solve for x
    x = 37,136,937,965.28/211,755.08
  6. Step 6: Final answer
    x = 175,376.85

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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.