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Finding the Fourth Proportional to 251,656.62, 347,300.51 and 144,244.55

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Solution

The fourth proportional to 251,656.62, 347,300.51 and 144,244.55 is: 199,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,656.62 : 347,300.51 = 144,244.55 : x
  2. Step 2: Convert to fraction form
    251,656.62/347,300.51 = 144,244.55/x
  3. Step 3: Cross multiply
    251,656.62x = 347,300.51 × 144,244.55
  4. Step 4: Simplify right side
    251,656.62x = 50,096,203,322.00
  5. Step 5: Solve for x
    x = 50,096,203,322.00/251,656.62
  6. Step 6: Final answer
    x = 199,065.71

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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.