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Finding the Fourth Proportional to 167,041.69, 250,443.50 and 78,246.75

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Solution

The fourth proportional to 167,041.69, 250,443.50 and 78,246.75 is: 117,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,041.69 : 250,443.50 = 78,246.75 : x
  2. Step 2: Convert to fraction form
    167,041.69/250,443.50 = 78,246.75/x
  3. Step 3: Cross multiply
    167,041.69x = 250,443.50 × 78,246.75
  4. Step 4: Simplify right side
    167,041.69x = 19,596,390,481.55
  5. Step 5: Solve for x
    x = 19,596,390,481.55/167,041.69
  6. Step 6: Final answer
    x = 117,314.37

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1.5x scale

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.