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Finding the Fourth Proportional to 167,214.20, 250,529.70 and 140,970.20

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Solution

The fourth proportional to 167,214.20, 250,529.70 and 140,970.20 is: 211,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,214.20 : 250,529.70 = 140,970.20 : x
  2. Step 2: Convert to fraction form
    167,214.20/250,529.70 = 140,970.20/x
  3. Step 3: Cross multiply
    167,214.20x = 250,529.70 × 140,970.20
  4. Step 4: Simplify right side
    167,214.20x = 35,317,221,914.94
  5. Step 5: Solve for x
    x = 35,317,221,914.94/167,214.20
  6. Step 6: Final answer
    x = 211,209.47

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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.