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Finding the Fourth Proportional to 236,431.30, 354,584.55 and 118,015.30

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Solution

The fourth proportional to 236,431.30, 354,584.55 and 118,015.30 is: 176,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,431.30 : 354,584.55 = 118,015.30 : x
  2. Step 2: Convert to fraction form
    236,431.30/354,584.55 = 118,015.30/x
  3. Step 3: Cross multiply
    236,431.30x = 354,584.55 × 118,015.30
  4. Step 4: Simplify right side
    236,431.30x = 41,846,402,043.62
  5. Step 5: Solve for x
    x = 41,846,402,043.62/236,431.30
  6. Step 6: Final answer
    x = 176,991.80

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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.