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Finding the Fourth Proportional to 173,890.44, 260,659.17 and 98,855.51

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Solution

The fourth proportional to 173,890.44, 260,659.17 and 98,855.51 is: 148,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.44 : 260,659.17 = 98,855.51 : x
  2. Step 2: Convert to fraction form
    173,890.44/260,659.17 = 98,855.51/x
  3. Step 3: Cross multiply
    173,890.44x = 260,659.17 × 98,855.51
  4. Step 4: Simplify right side
    173,890.44x = 25,767,593,883.23
  5. Step 5: Solve for x
    x = 25,767,593,883.23/173,890.44
  6. Step 6: Final answer
    x = 148,182.92

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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.