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Finding the Fourth Proportional to 73,039.40, 109,575.50 and 23,122.49

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Solution

The fourth proportional to 73,039.40, 109,575.50 and 23,122.49 is: 34,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,039.40 : 109,575.50 = 23,122.49 : x
  2. Step 2: Convert to fraction form
    73,039.40/109,575.50 = 23,122.49/x
  3. Step 3: Cross multiply
    73,039.40x = 109,575.50 × 23,122.49
  4. Step 4: Simplify right side
    73,039.40x = 2,533,657,739.51
  5. Step 5: Solve for x
    x = 2,533,657,739.51/73,039.40
  6. Step 6: Final answer
    x = 34,688.92

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