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Finding the Fourth Proportional to 74,791.77, 112,094.24 and 48,066.63

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Solution

The fourth proportional to 74,791.77, 112,094.24 and 48,066.63 is: 72,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,791.77 : 112,094.24 = 48,066.63 : x
  2. Step 2: Convert to fraction form
    74,791.77/112,094.24 = 48,066.63/x
  3. Step 3: Cross multiply
    74,791.77x = 112,094.24 × 48,066.63
  4. Step 4: Simplify right side
    74,791.77x = 5,387,992,284.16
  5. Step 5: Solve for x
    x = 5,387,992,284.16/74,791.77
  6. Step 6: Final answer
    x = 72,039.91

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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.