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Finding the Fourth Proportional to 317,742.51, 476,617.64 and 93,107.51

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Solution

The fourth proportional to 317,742.51, 476,617.64 and 93,107.51 is: 139,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,742.51 : 476,617.64 = 93,107.51 : x
  2. Step 2: Convert to fraction form
    317,742.51/476,617.64 = 93,107.51/x
  3. Step 3: Cross multiply
    317,742.51x = 476,617.64 × 93,107.51
  4. Step 4: Simplify right side
    317,742.51x = 44,376,678,833.85
  5. Step 5: Solve for x
    x = 44,376,678,833.85/317,742.51
  6. Step 6: Final answer
    x = 139,662.39

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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.