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Finding the Fourth Proportional to 236,197.25, 354,189.22 and 67,678.98

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Solution

The fourth proportional to 236,197.25, 354,189.22 and 67,678.98 is: 101,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197.25 : 354,189.22 = 67,678.98 : x
  2. Step 2: Convert to fraction form
    236,197.25/354,189.22 = 67,678.98/x
  3. Step 3: Cross multiply
    236,197.25x = 354,189.22 × 67,678.98
  4. Step 4: Simplify right side
    236,197.25x = 23,971,164,967.40
  5. Step 5: Solve for x
    x = 23,971,164,967.40/236,197.25
  6. Step 6: Final answer
    x = 101,487.91

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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.