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Finding the Fourth Proportional to 215,510.57, 297,114.69 and 150,892.88

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Solution

The fourth proportional to 215,510.57, 297,114.69 and 150,892.88 is: 208,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,510.57 : 297,114.69 = 150,892.88 : x
  2. Step 2: Convert to fraction form
    215,510.57/297,114.69 = 150,892.88/x
  3. Step 3: Cross multiply
    215,510.57x = 297,114.69 × 150,892.88
  4. Step 4: Simplify right side
    215,510.57x = 44,832,491,264.41
  5. Step 5: Solve for x
    x = 44,832,491,264.41/215,510.57
  6. Step 6: Final answer
    x = 208,029.20

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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.