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Finding the Fourth Proportional to 317,222.60, 475,898.70 and 106,881.80

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Solution

The fourth proportional to 317,222.60, 475,898.70 and 106,881.80 is: 160,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,222.60 : 475,898.70 = 106,881.80 : x
  2. Step 2: Convert to fraction form
    317,222.60/475,898.70 = 106,881.80/x
  3. Step 3: Cross multiply
    317,222.60x = 475,898.70 × 106,881.80
  4. Step 4: Simplify right side
    317,222.60x = 50,864,909,673.66
  5. Step 5: Solve for x
    x = 50,864,909,673.66/317,222.60
  6. Step 6: Final answer
    x = 160,344.53

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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.