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Finding the Fourth Proportional to 215,377.64, 297,199.67 and 124,762.71

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Solution

The fourth proportional to 215,377.64, 297,199.67 and 124,762.71 is: 172,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,377.64 : 297,199.67 = 124,762.71 : x
  2. Step 2: Convert to fraction form
    215,377.64/297,199.67 = 124,762.71/x
  3. Step 3: Cross multiply
    215,377.64x = 297,199.67 × 124,762.71
  4. Step 4: Simplify right side
    215,377.64x = 37,079,436,240.31
  5. Step 5: Solve for x
    x = 37,079,436,240.31/215,377.64
  6. Step 6: Final answer
    x = 172,160.10

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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.