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Finding the Fourth Proportional to 92,882.97, 128,175.08 and 50,440.59

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Solution

The fourth proportional to 92,882.97, 128,175.08 and 50,440.59 is: 69,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.97 : 128,175.08 = 50,440.59 : x
  2. Step 2: Convert to fraction form
    92,882.97/128,175.08 = 50,440.59/x
  3. Step 3: Cross multiply
    92,882.97x = 128,175.08 × 50,440.59
  4. Step 4: Simplify right side
    92,882.97x = 6,465,226,406.29
  5. Step 5: Solve for x
    x = 6,465,226,406.29/92,882.97
  6. Step 6: Final answer
    x = 69,606.15

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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.