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Finding the Fourth Proportional to 92,930.38, 128,250.26 and 52,644.47

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Solution

The fourth proportional to 92,930.38, 128,250.26 and 52,644.47 is: 72,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,930.38 : 128,250.26 = 52,644.47 : x
  2. Step 2: Convert to fraction form
    92,930.38/128,250.26 = 52,644.47/x
  3. Step 3: Cross multiply
    92,930.38x = 128,250.26 × 52,644.47
  4. Step 4: Simplify right side
    92,930.38x = 6,751,666,258.01
  5. Step 5: Solve for x
    x = 6,751,666,258.01/92,930.38
  6. Step 6: Final answer
    x = 72,652.95

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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.