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Finding the Fourth Proportional to 92,777.00, 128,063.03 and 65,997.18

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Solution

The fourth proportional to 92,777.00, 128,063.03 and 65,997.18 is: 91,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.00 : 128,063.03 = 65,997.18 : x
  2. Step 2: Convert to fraction form
    92,777.00/128,063.03 = 65,997.18/x
  3. Step 3: Cross multiply
    92,777.00x = 128,063.03 × 65,997.18
  4. Step 4: Simplify right side
    92,777.00x = 8,451,798,512.27
  5. Step 5: Solve for x
    x = 8,451,798,512.27/92,777.00
  6. Step 6: Final answer
    x = 91,098.00

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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.