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Finding the Fourth Proportional to 92,703.96, 127,930.41 and 52,418.16

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Solution

The fourth proportional to 92,703.96, 127,930.41 and 52,418.16 is: 72,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.96 : 127,930.41 = 52,418.16 : x
  2. Step 2: Convert to fraction form
    92,703.96/127,930.41 = 52,418.16/x
  3. Step 3: Cross multiply
    92,703.96x = 127,930.41 × 52,418.16
  4. Step 4: Simplify right side
    92,703.96x = 6,705,876,700.25
  5. Step 5: Solve for x
    x = 6,705,876,700.25/92,703.96
  6. Step 6: Final answer
    x = 72,336.46

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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.