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Finding the Fourth Proportional to 92,425.70, 138,555.50 and 33,219.86

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Solution

The fourth proportional to 92,425.70, 138,555.50 and 33,219.86 is: 49,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425.70 : 138,555.50 = 33,219.86 : x
  2. Step 2: Convert to fraction form
    92,425.70/138,555.50 = 33,219.86/x
  3. Step 3: Cross multiply
    92,425.70x = 138,555.50 × 33,219.86
  4. Step 4: Simplify right side
    92,425.70x = 4,602,793,453.35
  5. Step 5: Solve for x
    x = 4,602,793,453.35/92,425.70
  6. Step 6: Final answer
    x = 49,799.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.