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Finding the Fourth Proportional to 92,697.90, 138,887.93 and 62,245.95

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Solution

The fourth proportional to 92,697.90, 138,887.93 and 62,245.95 is: 93,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,697.90 : 138,887.93 = 62,245.95 : x
  2. Step 2: Convert to fraction form
    92,697.90/138,887.93 = 62,245.95/x
  3. Step 3: Cross multiply
    92,697.90x = 138,887.93 × 62,245.95
  4. Step 4: Simplify right side
    92,697.90x = 8,645,210,835.15
  5. Step 5: Solve for x
    x = 8,645,210,835.15/92,697.90
  6. Step 6: Final answer
    x = 93,262.21

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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.