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Finding the Fourth Proportional to 168,857.70, 233,022.33 and 100,904.10

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Solution

The fourth proportional to 168,857.70, 233,022.33 and 100,904.10 is: 139,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857.70 : 233,022.33 = 100,904.10 : x
  2. Step 2: Convert to fraction form
    168,857.70/233,022.33 = 100,904.10/x
  3. Step 3: Cross multiply
    168,857.70x = 233,022.33 × 100,904.10
  4. Step 4: Simplify right side
    168,857.70x = 23,512,908,488.55
  5. Step 5: Solve for x
    x = 23,512,908,488.55/168,857.70
  6. Step 6: Final answer
    x = 139,246.88

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1.5x scale

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.