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Finding the Fourth Proportional to 92,308.35, 127,385.66 and 49,866.89

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Solution

The fourth proportional to 92,308.35, 127,385.66 and 49,866.89 is: 68,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.35 : 127,385.66 = 49,866.89 : x
  2. Step 2: Convert to fraction form
    92,308.35/127,385.66 = 49,866.89/x
  3. Step 3: Cross multiply
    92,308.35x = 127,385.66 × 49,866.89
  4. Step 4: Simplify right side
    92,308.35x = 6,352,325,808.53
  5. Step 5: Solve for x
    x = 6,352,325,808.53/92,308.35
  6. Step 6: Final answer
    x = 68,816.37

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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.