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Finding the Fourth Proportional to 119,751.54, 179,645.76 and 40,847.34

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Solution

The fourth proportional to 119,751.54, 179,645.76 and 40,847.34 is: 61,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.54 : 179,645.76 = 40,847.34 : x
  2. Step 2: Convert to fraction form
    119,751.54/179,645.76 = 40,847.34/x
  3. Step 3: Cross multiply
    119,751.54x = 179,645.76 × 40,847.34
  4. Step 4: Simplify right side
    119,751.54x = 7,338,051,438.28
  5. Step 5: Solve for x
    x = 7,338,051,438.28/119,751.54
  6. Step 6: Final answer
    x = 61,277.30

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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.