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Finding the Fourth Proportional to 220,176.02, 330,262.29 and 130,837.88

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Solution

The fourth proportional to 220,176.02, 330,262.29 and 130,837.88 is: 196,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,176.02 : 330,262.29 = 130,837.88 : x
  2. Step 2: Convert to fraction form
    220,176.02/330,262.29 = 130,837.88/x
  3. Step 3: Cross multiply
    220,176.02x = 330,262.29 × 130,837.88
  4. Step 4: Simplify right side
    220,176.02x = 43,210,818,325.22
  5. Step 5: Solve for x
    x = 43,210,818,325.22/220,176.02
  6. Step 6: Final answer
    x = 196,255.79

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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.