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Finding the Fourth Proportional to 236,677.73, 355,019.74 and 78,906.24

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Solution

The fourth proportional to 236,677.73, 355,019.74 and 78,906.24 is: 118,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,677.73 : 355,019.74 = 78,906.24 : x
  2. Step 2: Convert to fraction form
    236,677.73/355,019.74 = 78,906.24/x
  3. Step 3: Cross multiply
    236,677.73x = 355,019.74 × 78,906.24
  4. Step 4: Simplify right side
    236,677.73x = 28,013,272,611.91
  5. Step 5: Solve for x
    x = 28,013,272,611.91/236,677.73
  6. Step 6: Final answer
    x = 118,360.41

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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.