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Finding the Fourth Proportional to 114,171.08, 171,214.14 and 39,270.20

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Solution

The fourth proportional to 114,171.08, 171,214.14 and 39,270.20 is: 58,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,171.08 : 171,214.14 = 39,270.20 : x
  2. Step 2: Convert to fraction form
    114,171.08/171,214.14 = 39,270.20/x
  3. Step 3: Cross multiply
    114,171.08x = 171,214.14 × 39,270.20
  4. Step 4: Simplify right side
    114,171.08x = 6,723,613,520.63
  5. Step 5: Solve for x
    x = 6,723,613,520.63/114,171.08
  6. Step 6: Final answer
    x = 58,890.69

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1.5x scale

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.