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Finding the Fourth Proportional to 220,575.60, 330,999.48 and 102,224.88

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Solution

The fourth proportional to 220,575.60, 330,999.48 and 102,224.88 is: 153,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,575.60 : 330,999.48 = 102,224.88 : x
  2. Step 2: Convert to fraction form
    220,575.60/330,999.48 = 102,224.88/x
  3. Step 3: Cross multiply
    220,575.60x = 330,999.48 × 102,224.88
  4. Step 4: Simplify right side
    220,575.60x = 33,836,382,123.06
  5. Step 5: Solve for x
    x = 33,836,382,123.06/220,575.60
  6. Step 6: Final answer
    x = 153,400.39

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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.