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Finding the Fourth Proportional to 92,994.40, 128,330.76 and 50,554

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Solution

The fourth proportional to 92,994.40, 128,330.76 and 50,554 is: 69,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,994.40 : 128,330.76 = 50,554 : x
  2. Step 2: Convert to fraction form
    92,994.40/128,330.76 = 50,554/x
  3. Step 3: Cross multiply
    92,994.40x = 128,330.76 × 50,554
  4. Step 4: Simplify right side
    92,994.40x = 6,487,633,241.04
  5. Step 5: Solve for x
    x = 6,487,633,241.04/92,994.40
  6. Step 6: Final answer
    x = 69,763.70

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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.