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Finding the Fourth Proportional to 173,127.80, 259,726.80 and 98,283.80

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Solution

The fourth proportional to 173,127.80, 259,726.80 and 98,283.80 is: 147,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,127.80 : 259,726.80 = 98,283.80 : x
  2. Step 2: Convert to fraction form
    173,127.80/259,726.80 = 98,283.80/x
  3. Step 3: Cross multiply
    173,127.80x = 259,726.80 × 98,283.80
  4. Step 4: Simplify right side
    173,127.80x = 25,526,936,865.84
  5. Step 5: Solve for x
    x = 25,526,936,865.84/173,127.80
  6. Step 6: Final answer
    x = 147,445.63

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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.