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Finding the Fourth Proportional to 88,039, 121,494.02 and 50,313.16

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Solution

The fourth proportional to 88,039, 121,494.02 and 50,313.16 is: 69,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039 : 121,494.02 = 50,313.16 : x
  2. Step 2: Convert to fraction form
    88,039/121,494.02 = 50,313.16/x
  3. Step 3: Cross multiply
    88,039x = 121,494.02 × 50,313.16
  4. Step 4: Simplify right side
    88,039x = 6,112,748,067.30
  5. Step 5: Solve for x
    x = 6,112,748,067.30/88,039
  6. Step 6: Final answer
    x = 69,432.28

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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.