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Finding the Fourth Proportional to 220,008.76, 303,610.30 and 119,406.76

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Solution

The fourth proportional to 220,008.76, 303,610.30 and 119,406.76 is: 164,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008.76 : 303,610.30 = 119,406.76 : x
  2. Step 2: Convert to fraction form
    220,008.76/303,610.30 = 119,406.76/x
  3. Step 3: Cross multiply
    220,008.76x = 303,610.30 × 119,406.76
  4. Step 4: Simplify right side
    220,008.76x = 36,253,122,225.63
  5. Step 5: Solve for x
    x = 36,253,122,225.63/220,008.76
  6. Step 6: Final answer
    x = 164,780.36

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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.