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Finding the Fourth Proportional to 75,447.72, 104,071.72 and 44,800.04

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Solution

The fourth proportional to 75,447.72, 104,071.72 and 44,800.04 is: 61,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.72 : 104,071.72 = 44,800.04 : x
  2. Step 2: Convert to fraction form
    75,447.72/104,071.72 = 44,800.04/x
  3. Step 3: Cross multiply
    75,447.72x = 104,071.72 × 44,800.04
  4. Step 4: Simplify right side
    75,447.72x = 4,662,417,218.87
  5. Step 5: Solve for x
    x = 4,662,417,218.87/75,447.72
  6. Step 6: Final answer
    x = 61,796.66

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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.