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Finding the Fourth Proportional to 223,432.20, 334,959.48 and 96,976.80

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Solution

The fourth proportional to 223,432.20, 334,959.48 and 96,976.80 is: 145,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,432.20 : 334,959.48 = 96,976.80 : x
  2. Step 2: Convert to fraction form
    223,432.20/334,959.48 = 96,976.80/x
  3. Step 3: Cross multiply
    223,432.20x = 334,959.48 × 96,976.80
  4. Step 4: Simplify right side
    223,432.20x = 32,483,298,500.06
  5. Step 5: Solve for x
    x = 32,483,298,500.06/223,432.20
  6. Step 6: Final answer
    x = 145,383.25

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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.