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Finding the Fourth Proportional to 317,007.93, 475,668.17 and 148,499.12

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Solution

The fourth proportional to 317,007.93, 475,668.17 and 148,499.12 is: 222,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,007.93 : 475,668.17 = 148,499.12 : x
  2. Step 2: Convert to fraction form
    317,007.93/475,668.17 = 148,499.12/x
  3. Step 3: Cross multiply
    317,007.93x = 475,668.17 × 148,499.12
  4. Step 4: Simplify right side
    317,007.93x = 70,636,306,078.21
  5. Step 5: Solve for x
    x = 70,636,306,078.21/317,007.93
  6. Step 6: Final answer
    x = 222,821.89

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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.