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Finding the Fourth Proportional to 92,641.56, 127,850.40 and 52,357.02

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Solution

The fourth proportional to 92,641.56, 127,850.40 and 52,357.02 is: 72,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,641.56 : 127,850.40 = 52,357.02 : x
  2. Step 2: Convert to fraction form
    92,641.56/127,850.40 = 52,357.02/x
  3. Step 3: Cross multiply
    92,641.56x = 127,850.40 × 52,357.02
  4. Step 4: Simplify right side
    92,641.56x = 6,693,865,949.81
  5. Step 5: Solve for x
    x = 6,693,865,949.81/92,641.56
  6. Step 6: Final answer
    x = 72,255.54

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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.