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Finding the Fourth Proportional to 92,511.90, 127,665.50 and 52,224.80

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Solution

The fourth proportional to 92,511.90, 127,665.50 and 52,224.80 is: 72,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,511.90 : 127,665.50 = 52,224.80 : x
  2. Step 2: Convert to fraction form
    92,511.90/127,665.50 = 52,224.80/x
  3. Step 3: Cross multiply
    92,511.90x = 127,665.50 × 52,224.80
  4. Step 4: Simplify right side
    92,511.90x = 6,667,305,204.40
  5. Step 5: Solve for x
    x = 6,667,305,204.40/92,511.90
  6. Step 6: Final answer
    x = 72,069.70

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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.