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Finding the Fourth Proportional to 167,360.53, 230,890.75 and 106,915.50

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Solution

The fourth proportional to 167,360.53, 230,890.75 and 106,915.50 is: 147,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,360.53 : 230,890.75 = 106,915.50 : x
  2. Step 2: Convert to fraction form
    167,360.53/230,890.75 = 106,915.50/x
  3. Step 3: Cross multiply
    167,360.53x = 230,890.75 × 106,915.50
  4. Step 4: Simplify right side
    167,360.53x = 24,685,799,981.63
  5. Step 5: Solve for x
    x = 24,685,799,981.63/167,360.53
  6. Step 6: Final answer
    x = 147,500.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.