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Finding the Fourth Proportional to 149,025.70, 223,578.15 and 64,749.70

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Solution

The fourth proportional to 149,025.70, 223,578.15 and 64,749.70 is: 97,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025.70 : 223,578.15 = 64,749.70 : x
  2. Step 2: Convert to fraction form
    149,025.70/223,578.15 = 64,749.70/x
  3. Step 3: Cross multiply
    149,025.70x = 223,578.15 × 64,749.70
  4. Step 4: Simplify right side
    149,025.70x = 14,476,618,139.06
  5. Step 5: Solve for x
    x = 14,476,618,139.06/149,025.70
  6. Step 6: Final answer
    x = 97,141.76

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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.