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Finding the Fourth Proportional to 236,365.85, 354,551.84 and 78,594.30

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Solution

The fourth proportional to 236,365.85, 354,551.84 and 78,594.30 is: 117,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,365.85 : 354,551.84 = 78,594.30 : x
  2. Step 2: Convert to fraction form
    236,365.85/354,551.84 = 78,594.30/x
  3. Step 3: Cross multiply
    236,365.85x = 354,551.84 × 78,594.30
  4. Step 4: Simplify right side
    236,365.85x = 27,865,753,285.54
  5. Step 5: Solve for x
    x = 27,865,753,285.54/236,365.85
  6. Step 6: Final answer
    x = 117,892.47

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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.