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Finding the Fourth Proportional to 50,118, 69,143.76 and 33,130.32

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Solution

The fourth proportional to 50,118, 69,143.76 and 33,130.32 is: 45,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,118 : 69,143.76 = 33,130.32 : x
  2. Step 2: Convert to fraction form
    50,118/69,143.76 = 33,130.32/x
  3. Step 3: Cross multiply
    50,118x = 69,143.76 × 33,130.32
  4. Step 4: Simplify right side
    50,118x = 2,290,754,894.80
  5. Step 5: Solve for x
    x = 2,290,754,894.80/50,118
  6. Step 6: Final answer
    x = 45,707.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.