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Finding the Fourth Proportional to 317,930.49, 476,969.61 and 93,281.85

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Solution

The fourth proportional to 317,930.49, 476,969.61 and 93,281.85 is: 139,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,930.49 : 476,969.61 = 93,281.85 : x
  2. Step 2: Convert to fraction form
    317,930.49/476,969.61 = 93,281.85/x
  3. Step 3: Cross multiply
    317,930.49x = 476,969.61 × 93,281.85
  4. Step 4: Simplify right side
    317,930.49x = 44,492,607,614.58
  5. Step 5: Solve for x
    x = 44,492,607,614.58/317,930.49
  6. Step 6: Final answer
    x = 139,944.45

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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.