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Finding the Fourth Proportional to 119,675.25, 179,521.53 and 45,803.25

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Solution

The fourth proportional to 119,675.25, 179,521.53 and 45,803.25 is: 68,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,675.25 : 179,521.53 = 45,803.25 : x
  2. Step 2: Convert to fraction form
    119,675.25/179,521.53 = 45,803.25/x
  3. Step 3: Cross multiply
    119,675.25x = 179,521.53 × 45,803.25
  4. Step 4: Simplify right side
    119,675.25x = 8,222,669,518.97
  5. Step 5: Solve for x
    x = 8,222,669,518.97/119,675.25
  6. Step 6: Final answer
    x = 68,708.19

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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.