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Finding the Fourth Proportional to 92,543.99, 138,873.09 and 36,374.24

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Solution

The fourth proportional to 92,543.99, 138,873.09 and 36,374.24 is: 54,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,543.99 : 138,873.09 = 36,374.24 : x
  2. Step 2: Convert to fraction form
    92,543.99/138,873.09 = 36,374.24/x
  3. Step 3: Cross multiply
    92,543.99x = 138,873.09 × 36,374.24
  4. Step 4: Simplify right side
    92,543.99x = 5,051,402,410.84
  5. Step 5: Solve for x
    x = 5,051,402,410.84/92,543.99
  6. Step 6: Final answer
    x = 54,583.80

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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.