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Finding the Fourth Proportional to 111,767.62, 154,236.24 and 61,466.62

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Solution

The fourth proportional to 111,767.62, 154,236.24 and 61,466.62 is: 84,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,767.62 : 154,236.24 = 61,466.62 : x
  2. Step 2: Convert to fraction form
    111,767.62/154,236.24 = 61,466.62/x
  3. Step 3: Cross multiply
    111,767.62x = 154,236.24 × 61,466.62
  4. Step 4: Simplify right side
    111,767.62x = 9,480,380,354.31
  5. Step 5: Solve for x
    x = 9,480,380,354.31/111,767.62
  6. Step 6: Final answer
    x = 84,822.24

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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.