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Finding the Fourth Proportional to 140,304.94, 193,624.60 and 83,749.12

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Solution

The fourth proportional to 140,304.94, 193,624.60 and 83,749.12 is: 115,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.94 : 193,624.60 = 83,749.12 : x
  2. Step 2: Convert to fraction form
    140,304.94/193,624.60 = 83,749.12/x
  3. Step 3: Cross multiply
    140,304.94x = 193,624.60 × 83,749.12
  4. Step 4: Simplify right side
    140,304.94x = 16,215,889,166.92
  5. Step 5: Solve for x
    x = 16,215,889,166.92/140,304.94
  6. Step 6: Final answer
    x = 115,576.04

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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.