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Finding the Fourth Proportional to 92,340.94, 127,418.22 and 52,056.40

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Solution

The fourth proportional to 92,340.94, 127,418.22 and 52,056.40 is: 71,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,340.94 : 127,418.22 = 52,056.40 : x
  2. Step 2: Convert to fraction form
    92,340.94/127,418.22 = 52,056.40/x
  3. Step 3: Cross multiply
    92,340.94x = 127,418.22 × 52,056.40
  4. Step 4: Simplify right side
    92,340.94x = 6,632,933,827.61
  5. Step 5: Solve for x
    x = 6,632,933,827.61/92,340.94
  6. Step 6: Final answer
    x = 71,830.91

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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.