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Finding the Fourth Proportional to 253,167.28, 379,527.42 and 95,506.45

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Solution

The fourth proportional to 253,167.28, 379,527.42 and 95,506.45 is: 143,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,167.28 : 379,527.42 = 95,506.45 : x
  2. Step 2: Convert to fraction form
    253,167.28/379,527.42 = 95,506.45/x
  3. Step 3: Cross multiply
    253,167.28x = 379,527.42 × 95,506.45
  4. Step 4: Simplify right side
    253,167.28x = 36,247,314,664.22
  5. Step 5: Solve for x
    x = 36,247,314,664.22/253,167.28
  6. Step 6: Final answer
    x = 143,175.36

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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.