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Finding the Fourth Proportional to 317,181, 475,771.50 and 95,565

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Solution

The fourth proportional to 317,181, 475,771.50 and 95,565 is: 143,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,181 : 475,771.50 = 95,565 : x
  2. Step 2: Convert to fraction form
    317,181/475,771.50 = 95,565/x
  3. Step 3: Cross multiply
    317,181x = 475,771.50 × 95,565
  4. Step 4: Simplify right side
    317,181x = 45,467,103,397.50
  5. Step 5: Solve for x
    x = 45,467,103,397.50/317,181
  6. Step 6: Final answer
    x = 143,347.50

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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.