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Finding the Fourth Proportional to 316,656.43, 475,234.27 and 117,033.90

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Solution

The fourth proportional to 316,656.43, 475,234.27 and 117,033.90 is: 175,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,656.43 : 475,234.27 = 117,033.90 : x
  2. Step 2: Convert to fraction form
    316,656.43/475,234.27 = 117,033.90/x
  3. Step 3: Cross multiply
    316,656.43x = 475,234.27 × 117,033.90
  4. Step 4: Simplify right side
    316,656.43x = 55,618,519,739.17
  5. Step 5: Solve for x
    x = 55,618,519,739.17/316,656.43
  6. Step 6: Final answer
    x = 175,643.11

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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.