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Finding the Fourth Proportional to 267,011.19, 400,465.80 and 80,022.69

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Solution

The fourth proportional to 267,011.19, 400,465.80 and 80,022.69 is: 120,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,011.19 : 400,465.80 = 80,022.69 : x
  2. Step 2: Convert to fraction form
    267,011.19/400,465.80 = 80,022.69/x
  3. Step 3: Cross multiply
    267,011.19x = 400,465.80 × 80,022.69
  4. Step 4: Simplify right side
    267,011.19x = 32,046,350,569.00
  5. Step 5: Solve for x
    x = 32,046,350,569.00/267,011.19
  6. Step 6: Final answer
    x = 120,018.75

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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.