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Finding the Fourth Proportional to 92,806.98, 139,112.80 and 59,098.62

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Solution

The fourth proportional to 92,806.98, 139,112.80 and 59,098.62 is: 88,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,806.98 : 139,112.80 = 59,098.62 : x
  2. Step 2: Convert to fraction form
    92,806.98/139,112.80 = 59,098.62/x
  3. Step 3: Cross multiply
    92,806.98x = 139,112.80 × 59,098.62
  4. Step 4: Simplify right side
    92,806.98x = 8,221,374,504.34
  5. Step 5: Solve for x
    x = 8,221,374,504.34/92,806.98
  6. Step 6: Final answer
    x = 88,585.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.