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Finding the Fourth Proportional to 219,600.10, 329,181.45 and 101,064.70

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Solution

The fourth proportional to 219,600.10, 329,181.45 and 101,064.70 is: 151,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,600.10 : 329,181.45 = 101,064.70 : x
  2. Step 2: Convert to fraction form
    219,600.10/329,181.45 = 101,064.70/x
  3. Step 3: Cross multiply
    219,600.10x = 329,181.45 × 101,064.70
  4. Step 4: Simplify right side
    219,600.10x = 33,268,624,489.82
  5. Step 5: Solve for x
    x = 33,268,624,489.82/219,600.10
  6. Step 6: Final answer
    x = 151,496.40

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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.