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Finding the Fourth Proportional to 236,239.38, 354,430.58 and 84,416.58

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Solution

The fourth proportional to 236,239.38, 354,430.58 and 84,416.58 is: 126,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,239.38 : 354,430.58 = 84,416.58 : x
  2. Step 2: Convert to fraction form
    236,239.38/354,430.58 = 84,416.58/x
  3. Step 3: Cross multiply
    236,239.38x = 354,430.58 × 84,416.58
  4. Step 4: Simplify right side
    236,239.38x = 29,919,816,988.93
  5. Step 5: Solve for x
    x = 29,919,816,988.93/236,239.38
  6. Step 6: Final answer
    x = 126,650.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.