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Finding the Fourth Proportional to 92,777.82, 128,033.37 and 52,490.76

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Solution

The fourth proportional to 92,777.82, 128,033.37 and 52,490.76 is: 72,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.82 : 128,033.37 = 52,490.76 : x
  2. Step 2: Convert to fraction form
    92,777.82/128,033.37 = 52,490.76/x
  3. Step 3: Cross multiply
    92,777.82x = 128,033.37 × 52,490.76
  4. Step 4: Simplify right side
    92,777.82x = 6,720,568,896.66
  5. Step 5: Solve for x
    x = 6,720,568,896.66/92,777.82
  6. Step 6: Final answer
    x = 72,437.24

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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.