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Finding the Fourth Proportional to 85,321.00, 127,877.74 and 60,368.24

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Solution

The fourth proportional to 85,321.00, 127,877.74 and 60,368.24 is: 90,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321.00 : 127,877.74 = 60,368.24 : x
  2. Step 2: Convert to fraction form
    85,321.00/127,877.74 = 60,368.24/x
  3. Step 3: Cross multiply
    85,321.00x = 127,877.74 × 60,368.24
  4. Step 4: Simplify right side
    85,321.00x = 7,719,753,548.44
  5. Step 5: Solve for x
    x = 7,719,753,548.44/85,321.00
  6. Step 6: Final answer
    x = 90,478.94

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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.