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Finding the Fourth Proportional to 111,197.24, 153,449.22 and 63,449.72

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Solution

The fourth proportional to 111,197.24, 153,449.22 and 63,449.72 is: 87,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,197.24 : 153,449.22 = 63,449.72 : x
  2. Step 2: Convert to fraction form
    111,197.24/153,449.22 = 63,449.72/x
  3. Step 3: Cross multiply
    111,197.24x = 153,449.22 × 63,449.72
  4. Step 4: Simplify right side
    111,197.24x = 9,736,310,043.22
  5. Step 5: Solve for x
    x = 9,736,310,043.22/111,197.24
  6. Step 6: Final answer
    x = 87,558.92

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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.