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Finding the Fourth Proportional to 110,913.40, 166,136.10 and 73,491.40

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Solution

The fourth proportional to 110,913.40, 166,136.10 and 73,491.40 is: 110,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,913.40 : 166,136.10 = 73,491.40 : x
  2. Step 2: Convert to fraction form
    110,913.40/166,136.10 = 73,491.40/x
  3. Step 3: Cross multiply
    110,913.40x = 166,136.10 × 73,491.40
  4. Step 4: Simplify right side
    110,913.40x = 12,209,574,579.54
  5. Step 5: Solve for x
    x = 12,209,574,579.54/110,913.40
  6. Step 6: Final answer
    x = 110,082.05

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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.