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Finding the Fourth Proportional to 224,475.60, 309,782.86 and 122,507.62

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Solution

The fourth proportional to 224,475.60, 309,782.86 and 122,507.62 is: 169,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,475.60 : 309,782.86 = 122,507.62 : x
  2. Step 2: Convert to fraction form
    224,475.60/309,782.86 = 122,507.62/x
  3. Step 3: Cross multiply
    224,475.60x = 309,782.86 × 122,507.62
  4. Step 4: Simplify right side
    224,475.60x = 37,950,759,584.97
  5. Step 5: Solve for x
    x = 37,950,759,584.97/224,475.60
  6. Step 6: Final answer
    x = 169,064.08

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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.