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Finding the Fourth Proportional to 108,548.70, 162,715.29 and 51,522.67

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Solution

The fourth proportional to 108,548.70, 162,715.29 and 51,522.67 is: 77,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.70 : 162,715.29 = 51,522.67 : x
  2. Step 2: Convert to fraction form
    108,548.70/162,715.29 = 51,522.67/x
  3. Step 3: Cross multiply
    108,548.70x = 162,715.29 × 51,522.67
  4. Step 4: Simplify right side
    108,548.70x = 8,383,526,345.72
  5. Step 5: Solve for x
    x = 8,383,526,345.72/108,548.70
  6. Step 6: Final answer
    x = 77,232.86

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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.