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Finding the Fourth Proportional to 317,743.51, 476,619.14 and 93,108.51

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Solution

The fourth proportional to 317,743.51, 476,619.14 and 93,108.51 is: 139,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,743.51 : 476,619.14 = 93,108.51 : x
  2. Step 2: Convert to fraction form
    317,743.51/476,619.14 = 93,108.51/x
  3. Step 3: Cross multiply
    317,743.51x = 476,619.14 × 93,108.51
  4. Step 4: Simplify right side
    317,743.51x = 44,377,297,962.88
  5. Step 5: Solve for x
    x = 44,377,297,962.88/317,743.51
  6. Step 6: Final answer
    x = 139,663.90

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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.