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Finding the Fourth Proportional to 167,041.44, 250,443.12 and 78,246.52

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Solution

The fourth proportional to 167,041.44, 250,443.12 and 78,246.52 is: 117,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,041.44 : 250,443.12 = 78,246.52 : x
  2. Step 2: Convert to fraction form
    167,041.44/250,443.12 = 78,246.52/x
  3. Step 3: Cross multiply
    167,041.44x = 250,443.12 × 78,246.52
  4. Step 4: Simplify right side
    167,041.44x = 19,596,302,597.94
  5. Step 5: Solve for x
    x = 19,596,302,597.94/167,041.44
  6. Step 6: Final answer
    x = 117,314.02

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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.