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Finding the Fourth Proportional to 173,394.54, 260,166.96 and 61,155

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Solution

The fourth proportional to 173,394.54, 260,166.96 and 61,155 is: 91,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,394.54 : 260,166.96 = 61,155 : x
  2. Step 2: Convert to fraction form
    173,394.54/260,166.96 = 61,155/x
  3. Step 3: Cross multiply
    173,394.54x = 260,166.96 × 61,155
  4. Step 4: Simplify right side
    173,394.54x = 15,910,510,438.80
  5. Step 5: Solve for x
    x = 15,910,510,438.80/173,394.54
  6. Step 6: Final answer
    x = 91,759.00

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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.