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Finding the Fourth Proportional to 92,432.00, 127,556.15 and 49,990.53

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Solution

The fourth proportional to 92,432.00, 127,556.15 and 49,990.53 is: 68,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,432.00 : 127,556.15 = 49,990.53 : x
  2. Step 2: Convert to fraction form
    92,432.00/127,556.15 = 49,990.53/x
  3. Step 3: Cross multiply
    92,432.00x = 127,556.15 × 49,990.53
  4. Step 4: Simplify right side
    92,432.00x = 6,376,598,905.48
  5. Step 5: Solve for x
    x = 6,376,598,905.48/92,432.00
  6. Step 6: Final answer
    x = 68,986.92

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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.