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Finding the Fourth Proportional to 92,308.55, 127,385.91 and 49,867.08

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Solution

The fourth proportional to 92,308.55, 127,385.91 and 49,867.08 is: 68,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.55 : 127,385.91 = 49,867.08 : x
  2. Step 2: Convert to fraction form
    92,308.55/127,385.91 = 49,867.08/x
  3. Step 3: Cross multiply
    92,308.55x = 127,385.91 × 49,867.08
  4. Step 4: Simplify right side
    92,308.55x = 6,352,363,364.84
  5. Step 5: Solve for x
    x = 6,352,363,364.84/92,308.55
  6. Step 6: Final answer
    x = 68,816.63

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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.