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Finding the Fourth Proportional to 173,465.83, 239,379.74 and 98,012.71

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Solution

The fourth proportional to 173,465.83, 239,379.74 and 98,012.71 is: 135,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,465.83 : 239,379.74 = 98,012.71 : x
  2. Step 2: Convert to fraction form
    173,465.83/239,379.74 = 98,012.71/x
  3. Step 3: Cross multiply
    173,465.83x = 239,379.74 × 98,012.71
  4. Step 4: Simplify right side
    173,465.83x = 23,462,256,546.43
  5. Step 5: Solve for x
    x = 23,462,256,546.43/173,465.83
  6. Step 6: Final answer
    x = 135,255.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.