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Finding the Fourth Proportional to 153,786.16, 230,600.22 and 69,500.67

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Solution

The fourth proportional to 153,786.16, 230,600.22 and 69,500.67 is: 104,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,786.16 : 230,600.22 = 69,500.67 : x
  2. Step 2: Convert to fraction form
    153,786.16/230,600.22 = 69,500.67/x
  3. Step 3: Cross multiply
    153,786.16x = 230,600.22 × 69,500.67
  4. Step 4: Simplify right side
    153,786.16x = 16,026,869,792.15
  5. Step 5: Solve for x
    x = 16,026,869,792.15/153,786.16
  6. Step 6: Final answer
    x = 104,215.29

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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.