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Finding the Fourth Proportional to 123,950.46, 171,045.09 and 70,236.12

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Solution

The fourth proportional to 123,950.46, 171,045.09 and 70,236.12 is: 96,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,950.46 : 171,045.09 = 70,236.12 : x
  2. Step 2: Convert to fraction form
    123,950.46/171,045.09 = 70,236.12/x
  3. Step 3: Cross multiply
    123,950.46x = 171,045.09 × 70,236.12
  4. Step 4: Simplify right side
    123,950.46x = 12,013,543,466.65
  5. Step 5: Solve for x
    x = 12,013,543,466.65/123,950.46
  6. Step 6: Final answer
    x = 96,922.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.