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Finding the Fourth Proportional to 111,496.64, 153,490.20 and 96,596.24

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Solution

The fourth proportional to 111,496.64, 153,490.20 and 96,596.24 is: 132,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,496.64 : 153,490.20 = 96,596.24 : x
  2. Step 2: Convert to fraction form
    111,496.64/153,490.20 = 96,596.24/x
  3. Step 3: Cross multiply
    111,496.64x = 153,490.20 × 96,596.24
  4. Step 4: Simplify right side
    111,496.64x = 14,826,576,196.85
  5. Step 5: Solve for x
    x = 14,826,576,196.85/111,496.64
  6. Step 6: Final answer
    x = 132,977.78

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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.