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Finding the Fourth Proportional to 92,687.88, 127,904.31 and 52,399.25

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Solution

The fourth proportional to 92,687.88, 127,904.31 and 52,399.25 is: 72,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687.88 : 127,904.31 = 52,399.25 : x
  2. Step 2: Convert to fraction form
    92,687.88/127,904.31 = 52,399.25/x
  3. Step 3: Cross multiply
    92,687.88x = 127,904.31 × 52,399.25
  4. Step 4: Simplify right side
    92,687.88x = 6,702,089,276.25
  5. Step 5: Solve for x
    x = 6,702,089,276.25/92,687.88
  6. Step 6: Final answer
    x = 72,308.15

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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.