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Finding the Fourth Proportional to 224,293.64, 309,525.14 and 123,691.64

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Solution

The fourth proportional to 224,293.64, 309,525.14 and 123,691.64 is: 170,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,293.64 : 309,525.14 = 123,691.64 : x
  2. Step 2: Convert to fraction form
    224,293.64/309,525.14 = 123,691.64/x
  3. Step 3: Cross multiply
    224,293.64x = 309,525.14 × 123,691.64
  4. Step 4: Simplify right side
    224,293.64x = 38,285,672,187.83
  5. Step 5: Solve for x
    x = 38,285,672,187.83/224,293.64
  6. Step 6: Final answer
    x = 170,694.42

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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.