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Finding the Fourth Proportional to 251,668.59, 347,292.86 and 144,162.15

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Solution

The fourth proportional to 251,668.59, 347,292.86 and 144,162.15 is: 198,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,668.59 : 347,292.86 = 144,162.15 : x
  2. Step 2: Convert to fraction form
    251,668.59/347,292.86 = 144,162.15/x
  3. Step 3: Cross multiply
    251,668.59x = 347,292.86 × 144,162.15
  4. Step 4: Simplify right side
    251,668.59x = 50,066,485,377.25
  5. Step 5: Solve for x
    x = 50,066,485,377.25/251,668.59
  6. Step 6: Final answer
    x = 198,938.16

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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.