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Finding the Fourth Proportional to 111,194.46, 153,446.16 and 63,440.10

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Solution

The fourth proportional to 111,194.46, 153,446.16 and 63,440.10 is: 87,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,194.46 : 153,446.16 = 63,440.10 : x
  2. Step 2: Convert to fraction form
    111,194.46/153,446.16 = 63,440.10/x
  3. Step 3: Cross multiply
    111,194.46x = 153,446.16 × 63,440.10
  4. Step 4: Simplify right side
    111,194.46x = 9,734,639,735.02
  5. Step 5: Solve for x
    x = 9,734,639,735.02/111,194.46
  6. Step 6: Final answer
    x = 87,546.09

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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.