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Finding the Fourth Proportional to 111,745.65, 154,209.62 and 60,758.88

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Solution

The fourth proportional to 111,745.65, 154,209.62 and 60,758.88 is: 83,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.65 : 154,209.62 = 60,758.88 : x
  2. Step 2: Convert to fraction form
    111,745.65/154,209.62 = 60,758.88/x
  3. Step 3: Cross multiply
    111,745.65x = 154,209.62 × 60,758.88
  4. Step 4: Simplify right side
    111,745.65x = 9,369,603,492.63
  5. Step 5: Solve for x
    x = 9,369,603,492.63/111,745.65
  6. Step 6: Final answer
    x = 83,847.59

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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.