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Finding the Fourth Proportional to 85,592.58, 118,080.62 and 51,581.75

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Solution

The fourth proportional to 85,592.58, 118,080.62 and 51,581.75 is: 71,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,592.58 : 118,080.62 = 51,581.75 : x
  2. Step 2: Convert to fraction form
    85,592.58/118,080.62 = 51,581.75/x
  3. Step 3: Cross multiply
    85,592.58x = 118,080.62 × 51,581.75
  4. Step 4: Simplify right side
    85,592.58x = 6,090,804,365.80
  5. Step 5: Solve for x
    x = 6,090,804,365.80/85,592.58
  6. Step 6: Final answer
    x = 71,160.43

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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.