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Finding the Fourth Proportional to 92,682.81, 127,901.16 and 50,240.84

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Solution

The fourth proportional to 92,682.81, 127,901.16 and 50,240.84 is: 69,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,682.81 : 127,901.16 = 50,240.84 : x
  2. Step 2: Convert to fraction form
    92,682.81/127,901.16 = 50,240.84/x
  3. Step 3: Cross multiply
    92,682.81x = 127,901.16 × 50,240.84
  4. Step 4: Simplify right side
    92,682.81x = 6,425,861,075.87
  5. Step 5: Solve for x
    x = 6,425,861,075.87/92,682.81
  6. Step 6: Final answer
    x = 69,331.75

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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.