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Finding the Fourth Proportional to 85,801.88, 118,414.42 and 51,827.24

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Solution

The fourth proportional to 85,801.88, 118,414.42 and 51,827.24 is: 71,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,801.88 : 118,414.42 = 51,827.24 : x
  2. Step 2: Convert to fraction form
    85,801.88/118,414.42 = 51,827.24/x
  3. Step 3: Cross multiply
    85,801.88x = 118,414.42 × 51,827.24
  4. Step 4: Simplify right side
    85,801.88x = 6,137,092,731.27
  5. Step 5: Solve for x
    x = 6,137,092,731.27/85,801.88
  6. Step 6: Final answer
    x = 71,526.32

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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.