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Finding the Fourth Proportional to 73,277.70, 109,916.55 and 51,116.10

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Solution

The fourth proportional to 73,277.70, 109,916.55 and 51,116.10 is: 76,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,277.70 : 109,916.55 = 51,116.10 : x
  2. Step 2: Convert to fraction form
    73,277.70/109,916.55 = 51,116.10/x
  3. Step 3: Cross multiply
    73,277.70x = 109,916.55 × 51,116.10
  4. Step 4: Simplify right side
    73,277.70x = 5,618,505,361.46
  5. Step 5: Solve for x
    x = 5,618,505,361.46/73,277.70
  6. Step 6: Final answer
    x = 76,674.15

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1.5x scale

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.