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Finding the Fourth Proportional to 561,737.50, 842,606.25 and 167,753.50

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Solution

The fourth proportional to 561,737.50, 842,606.25 and 167,753.50 is: 251,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,737.50 : 842,606.25 = 167,753.50 : x
  2. Step 2: Convert to fraction form
    561,737.50/842,606.25 = 167,753.50/x
  3. Step 3: Cross multiply
    561,737.50x = 842,606.25 × 167,753.50
  4. Step 4: Simplify right side
    561,737.50x = 141,350,147,559.38
  5. Step 5: Solve for x
    x = 141,350,147,559.38/561,737.50
  6. Step 6: Final answer
    x = 251,630.25

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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.