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Finding the Fourth Proportional to 252,902.94, 349,001.91 and 139,736.22

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Solution

The fourth proportional to 252,902.94, 349,001.91 and 139,736.22 is: 192,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,902.94 : 349,001.91 = 139,736.22 : x
  2. Step 2: Convert to fraction form
    252,902.94/349,001.91 = 139,736.22/x
  3. Step 3: Cross multiply
    252,902.94x = 349,001.91 × 139,736.22
  4. Step 4: Simplify right side
    252,902.94x = 48,768,207,676.18
  5. Step 5: Solve for x
    x = 48,768,207,676.18/252,902.94
  6. Step 6: Final answer
    x = 192,833.69

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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.