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Finding the Fourth Proportional to 173,893.80, 260,840.70 and 155,194.95

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Solution

The fourth proportional to 173,893.80, 260,840.70 and 155,194.95 is: 232,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,893.80 : 260,840.70 = 155,194.95 : x
  2. Step 2: Convert to fraction form
    173,893.80/260,840.70 = 155,194.95/x
  3. Step 3: Cross multiply
    173,893.80x = 260,840.70 × 155,194.95
  4. Step 4: Simplify right side
    173,893.80x = 40,481,159,394.47
  5. Step 5: Solve for x
    x = 40,481,159,394.47/173,893.80
  6. Step 6: Final answer
    x = 232,792.43

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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.