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Finding the Fourth Proportional to 173,608.41, 260,143.26 and 120,404.17

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Solution

The fourth proportional to 173,608.41, 260,143.26 and 120,404.17 is: 180,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,608.41 : 260,143.26 = 120,404.17 : x
  2. Step 2: Convert to fraction form
    173,608.41/260,143.26 = 120,404.17/x
  3. Step 3: Cross multiply
    173,608.41x = 260,143.26 × 120,404.17
  4. Step 4: Simplify right side
    173,608.41x = 31,322,333,301.39
  5. Step 5: Solve for x
    x = 31,322,333,301.39/173,608.41
  6. Step 6: Final answer
    x = 180,419.44

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1.5x scale

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.