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Finding the Fourth Proportional to 111,496.64, 153,863.17 and 63,097.67

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Solution

The fourth proportional to 111,496.64, 153,863.17 and 63,097.67 is: 87,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,496.64 : 153,863.17 = 63,097.67 : x
  2. Step 2: Convert to fraction form
    111,496.64/153,863.17 = 63,097.67/x
  3. Step 3: Cross multiply
    111,496.64x = 153,863.17 × 63,097.67
  4. Step 4: Simplify right side
    111,496.64x = 9,708,407,330.90
  5. Step 5: Solve for x
    x = 9,708,407,330.90/111,496.64
  6. Step 6: Final answer
    x = 87,073.54

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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.