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Finding the Fourth Proportional to 236,809.80, 354,903.66 and 112,186.44

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Solution

The fourth proportional to 236,809.80, 354,903.66 and 112,186.44 is: 168,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,809.80 : 354,903.66 = 112,186.44 : x
  2. Step 2: Convert to fraction form
    236,809.80/354,903.66 = 112,186.44/x
  3. Step 3: Cross multiply
    236,809.80x = 354,903.66 × 112,186.44
  4. Step 4: Simplify right side
    236,809.80x = 39,815,378,158.37
  5. Step 5: Solve for x
    x = 39,815,378,158.37/236,809.80
  6. Step 6: Final answer
    x = 168,132.31

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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.