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Finding the Fourth Proportional to 88,066, 132,071.27 and 28,887.92

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Solution

The fourth proportional to 88,066, 132,071.27 and 28,887.92 is: 43,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,066 : 132,071.27 = 28,887.92 : x
  2. Step 2: Convert to fraction form
    88,066/132,071.27 = 28,887.92/x
  3. Step 3: Cross multiply
    88,066x = 132,071.27 × 28,887.92
  4. Step 4: Simplify right side
    88,066x = 3,815,264,282.06
  5. Step 5: Solve for x
    x = 3,815,264,282.06/88,066
  6. Step 6: Final answer
    x = 43,322.78

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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.