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Finding the Fourth Proportional to 156,745.65, 235,118.48 and 154,153.65

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Solution

The fourth proportional to 156,745.65, 235,118.48 and 154,153.65 is: 231,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.65 : 235,118.48 = 154,153.65 : x
  2. Step 2: Convert to fraction form
    156,745.65/235,118.48 = 154,153.65/x
  3. Step 3: Cross multiply
    156,745.65x = 235,118.48 × 154,153.65
  4. Step 4: Simplify right side
    156,745.65x = 36,244,371,103.68
  5. Step 5: Solve for x
    x = 36,244,371,103.68/156,745.65
  6. Step 6: Final answer
    x = 231,230.48

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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.