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Finding the Fourth Proportional to 167,532.51, 250,937.90 and 78,652.83

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Solution

The fourth proportional to 167,532.51, 250,937.90 and 78,652.83 is: 117,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,532.51 : 250,937.90 = 78,652.83 : x
  2. Step 2: Convert to fraction form
    167,532.51/250,937.90 = 78,652.83/x
  3. Step 3: Cross multiply
    167,532.51x = 250,937.90 × 78,652.83
  4. Step 4: Simplify right side
    167,532.51x = 19,736,975,595.99
  5. Step 5: Solve for x
    x = 19,736,975,595.99/167,532.51
  6. Step 6: Final answer
    x = 117,809.82

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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.