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Finding the Fourth Proportional to 92,797.02, 128,060.21 and 50,355.55

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Solution

The fourth proportional to 92,797.02, 128,060.21 and 50,355.55 is: 69,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,797.02 : 128,060.21 = 50,355.55 : x
  2. Step 2: Convert to fraction form
    92,797.02/128,060.21 = 50,355.55/x
  3. Step 3: Cross multiply
    92,797.02x = 128,060.21 × 50,355.55
  4. Step 4: Simplify right side
    92,797.02x = 6,448,542,113.40
  5. Step 5: Solve for x
    x = 6,448,542,113.40/92,797.02
  6. Step 6: Final answer
    x = 69,490.83

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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.