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Finding the Fourth Proportional to 74,715.00, 103,106.04 and 40,723.48

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Solution

The fourth proportional to 74,715.00, 103,106.04 and 40,723.48 is: 56,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,715.00 : 103,106.04 = 40,723.48 : x
  2. Step 2: Convert to fraction form
    74,715.00/103,106.04 = 40,723.48/x
  3. Step 3: Cross multiply
    74,715.00x = 103,106.04 × 40,723.48
  4. Step 4: Simplify right side
    74,715.00x = 4,198,836,733.99
  5. Step 5: Solve for x
    x = 4,198,836,733.99/74,715.00
  6. Step 6: Final answer
    x = 56,198.05

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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.