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Finding the Fourth Proportional to 173,127.30, 259,726.05 and 98,283.30

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Solution

The fourth proportional to 173,127.30, 259,726.05 and 98,283.30 is: 147,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,127.30 : 259,726.05 = 98,283.30 : x
  2. Step 2: Convert to fraction form
    173,127.30/259,726.05 = 98,283.30/x
  3. Step 3: Cross multiply
    173,127.30x = 259,726.05 × 98,283.30
  4. Step 4: Simplify right side
    173,127.30x = 25,526,733,289.97
  5. Step 5: Solve for x
    x = 25,526,733,289.97/173,127.30
  6. Step 6: Final answer
    x = 147,444.88

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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.