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Finding the Fourth Proportional to 92,934, 128,249.52 and 50,492.52

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Solution

The fourth proportional to 92,934, 128,249.52 and 50,492.52 is: 69,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934 : 128,249.52 = 50,492.52 : x
  2. Step 2: Convert to fraction form
    92,934/128,249.52 = 50,492.52/x
  3. Step 3: Cross multiply
    92,934x = 128,249.52 × 50,492.52
  4. Step 4: Simplify right side
    92,934x = 6,475,641,453.59
  5. Step 5: Solve for x
    x = 6,475,641,453.59/92,934
  6. Step 6: Final answer
    x = 69,680.00

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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.