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Finding the Fourth Proportional to 173,718.81, 239,732.87 and 98,265.69

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Solution

The fourth proportional to 173,718.81, 239,732.87 and 98,265.69 is: 135,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,718.81 : 239,732.87 = 98,265.69 : x
  2. Step 2: Convert to fraction form
    173,718.81/239,732.87 = 98,265.69/x
  3. Step 3: Cross multiply
    173,718.81x = 239,732.87 × 98,265.69
  4. Step 4: Simplify right side
    173,718.81x = 23,557,515,394.90
  5. Step 5: Solve for x
    x = 23,557,515,394.90/173,718.81
  6. Step 6: Final answer
    x = 135,607.17

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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.