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Finding the Fourth Proportional to 92,360.92, 127,464.60 and 52,078.40

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Solution

The fourth proportional to 92,360.92, 127,464.60 and 52,078.40 is: 71,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,360.92 : 127,464.60 = 52,078.40 : x
  2. Step 2: Convert to fraction form
    92,360.92/127,464.60 = 52,078.40/x
  3. Step 3: Cross multiply
    92,360.92x = 127,464.60 × 52,078.40
  4. Step 4: Simplify right side
    92,360.92x = 6,638,152,424.64
  5. Step 5: Solve for x
    x = 6,638,152,424.64/92,360.92
  6. Step 6: Final answer
    x = 71,871.87

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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.