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Finding the Fourth Proportional to 173,849.60, 260,871.60 and 73,992.80

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Solution

The fourth proportional to 173,849.60, 260,871.60 and 73,992.80 is: 111,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,849.60 : 260,871.60 = 73,992.80 : x
  2. Step 2: Convert to fraction form
    173,849.60/260,871.60 = 73,992.80/x
  3. Step 3: Cross multiply
    173,849.60x = 260,871.60 × 73,992.80
  4. Step 4: Simplify right side
    173,849.60x = 19,302,620,124.48
  5. Step 5: Solve for x
    x = 19,302,620,124.48/173,849.60
  6. Step 6: Final answer
    x = 111,030.57

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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.