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Finding the Fourth Proportional to 317,065.20, 475,659.84 and 117,387.36

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Solution

The fourth proportional to 317,065.20, 475,659.84 and 117,387.36 is: 176,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,065.20 : 475,659.84 = 117,387.36 : x
  2. Step 2: Convert to fraction form
    317,065.20/475,659.84 = 117,387.36/x
  3. Step 3: Cross multiply
    317,065.20x = 475,659.84 × 117,387.36
  4. Step 4: Simplify right side
    317,065.20x = 55,836,452,875.62
  5. Step 5: Solve for x
    x = 55,836,452,875.62/317,065.20
  6. Step 6: Final answer
    x = 176,104.01

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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.