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Finding the Fourth Proportional to 104,706.54, 156,809.66 and 57,250.67

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Solution

The fourth proportional to 104,706.54, 156,809.66 and 57,250.67 is: 85,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,706.54 : 156,809.66 = 57,250.67 : x
  2. Step 2: Convert to fraction form
    104,706.54/156,809.66 = 57,250.67/x
  3. Step 3: Cross multiply
    104,706.54x = 156,809.66 × 57,250.67
  4. Step 4: Simplify right side
    104,706.54x = 8,977,457,027.17
  5. Step 5: Solve for x
    x = 8,977,457,027.17/104,706.54
  6. Step 6: Final answer
    x = 85,739.22

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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.