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Finding the Fourth Proportional to 92,934.90, 128,250.33 and 50,493.48

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Solution

The fourth proportional to 92,934.90, 128,250.33 and 50,493.48 is: 69,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.90 : 128,250.33 = 50,493.48 : x
  2. Step 2: Convert to fraction form
    92,934.90/128,250.33 = 50,493.48/x
  3. Step 3: Cross multiply
    92,934.90x = 128,250.33 × 50,493.48
  4. Step 4: Simplify right side
    92,934.90x = 6,475,805,472.85
  5. Step 5: Solve for x
    x = 6,475,805,472.85/92,934.90
  6. Step 6: Final answer
    x = 69,681.09

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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.