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Finding the Fourth Proportional to 92,705.58, 127,936.21 and 52,425.35

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Solution

The fourth proportional to 92,705.58, 127,936.21 and 52,425.35 is: 72,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,705.58 : 127,936.21 = 52,425.35 : x
  2. Step 2: Convert to fraction form
    92,705.58/127,936.21 = 52,425.35/x
  3. Step 3: Cross multiply
    92,705.58x = 127,936.21 × 52,425.35
  4. Step 4: Simplify right side
    92,705.58x = 6,707,100,078.31
  5. Step 5: Solve for x
    x = 6,707,100,078.31/92,705.58
  6. Step 6: Final answer
    x = 72,348.39

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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.