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Finding the Fourth Proportional to 220,903.37, 304,832.15 and 130,254.95

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Solution

The fourth proportional to 220,903.37, 304,832.15 and 130,254.95 is: 179,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,903.37 : 304,832.15 = 130,254.95 : x
  2. Step 2: Convert to fraction form
    220,903.37/304,832.15 = 130,254.95/x
  3. Step 3: Cross multiply
    220,903.37x = 304,832.15 × 130,254.95
  4. Step 4: Simplify right side
    220,903.37x = 39,705,896,456.64
  5. Step 5: Solve for x
    x = 39,705,896,456.64/220,903.37
  6. Step 6: Final answer
    x = 179,743.28

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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.