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Finding the Fourth Proportional to 114,191.99, 171,189.55 and 54,946.16

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Solution

The fourth proportional to 114,191.99, 171,189.55 and 54,946.16 is: 82,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,191.99 : 171,189.55 = 54,946.16 : x
  2. Step 2: Convert to fraction form
    114,191.99/171,189.55 = 54,946.16/x
  3. Step 3: Cross multiply
    114,191.99x = 171,189.55 × 54,946.16
  4. Step 4: Simplify right side
    114,191.99x = 9,406,208,404.63
  5. Step 5: Solve for x
    x = 9,406,208,404.63/114,191.99
  6. Step 6: Final answer
    x = 82,371.88

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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.