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Finding the Fourth Proportional to 82,893.30, 114,392.73 and 45,167.55

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Solution

The fourth proportional to 82,893.30, 114,392.73 and 45,167.55 is: 62,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,893.30 : 114,392.73 = 45,167.55 : x
  2. Step 2: Convert to fraction form
    82,893.30/114,392.73 = 45,167.55/x
  3. Step 3: Cross multiply
    82,893.30x = 114,392.73 × 45,167.55
  4. Step 4: Simplify right side
    82,893.30x = 5,166,839,351.91
  5. Step 5: Solve for x
    x = 5,166,839,351.91/82,893.30
  6. Step 6: Final answer
    x = 62,331.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.