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Finding the Fourth Proportional to 92,432.58, 127,556.95 and 49,991.11

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Solution

The fourth proportional to 92,432.58, 127,556.95 and 49,991.11 is: 68,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,432.58 : 127,556.95 = 49,991.11 : x
  2. Step 2: Convert to fraction form
    92,432.58/127,556.95 = 49,991.11/x
  3. Step 3: Cross multiply
    92,432.58x = 127,556.95 × 49,991.11
  4. Step 4: Simplify right side
    92,432.58x = 6,376,713,518.71
  5. Step 5: Solve for x
    x = 6,376,713,518.71/92,432.58
  6. Step 6: Final answer
    x = 68,987.73

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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.