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Finding the Fourth Proportional to 92,702.14, 127,921.08 and 52,410.31

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Solution

The fourth proportional to 92,702.14, 127,921.08 and 52,410.31 is: 72,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.14 : 127,921.08 = 52,410.31 : x
  2. Step 2: Convert to fraction form
    92,702.14/127,921.08 = 52,410.31/x
  3. Step 3: Cross multiply
    92,702.14x = 127,921.08 × 52,410.31
  4. Step 4: Simplify right side
    92,702.14x = 6,704,383,458.33
  5. Step 5: Solve for x
    x = 6,704,383,458.33/92,702.14
  6. Step 6: Final answer
    x = 72,321.78

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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.