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Finding the Fourth Proportional to 162,272.45, 223,891.61 and 111,297.80

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Solution

The fourth proportional to 162,272.45, 223,891.61 and 111,297.80 is: 153,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,272.45 : 223,891.61 = 111,297.80 : x
  2. Step 2: Convert to fraction form
    162,272.45/223,891.61 = 111,297.80/x
  3. Step 3: Cross multiply
    162,272.45x = 223,891.61 × 111,297.80
  4. Step 4: Simplify right side
    162,272.45x = 24,918,641,955.51
  5. Step 5: Solve for x
    x = 24,918,641,955.51/162,272.45
  6. Step 6: Final answer
    x = 153,560.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.