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Finding the Fourth Proportional to 119,525.40, 179,230.92 and 69,619.74

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Solution

The fourth proportional to 119,525.40, 179,230.92 and 69,619.74 is: 104,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,525.40 : 179,230.92 = 69,619.74 : x
  2. Step 2: Convert to fraction form
    119,525.40/179,230.92 = 69,619.74/x
  3. Step 3: Cross multiply
    119,525.40x = 179,230.92 × 69,619.74
  4. Step 4: Simplify right side
    119,525.40x = 12,478,010,050.36
  5. Step 5: Solve for x
    x = 12,478,010,050.36/119,525.40
  6. Step 6: Final answer
    x = 104,396.30

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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.