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Finding the Fourth Proportional to 101,932.70, 152,899.05 and 97,850.30

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Solution

The fourth proportional to 101,932.70, 152,899.05 and 97,850.30 is: 146,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,932.70 : 152,899.05 = 97,850.30 : x
  2. Step 2: Convert to fraction form
    101,932.70/152,899.05 = 97,850.30/x
  3. Step 3: Cross multiply
    101,932.70x = 152,899.05 × 97,850.30
  4. Step 4: Simplify right side
    101,932.70x = 14,961,217,912.22
  5. Step 5: Solve for x
    x = 14,961,217,912.22/101,932.70
  6. Step 6: Final answer
    x = 146,775.45

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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.