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Finding the Fourth Proportional to 197,373.56, 295,815.04 and 90,644.32

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Solution

The fourth proportional to 197,373.56, 295,815.04 and 90,644.32 is: 135,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,373.56 : 295,815.04 = 90,644.32 : x
  2. Step 2: Convert to fraction form
    197,373.56/295,815.04 = 90,644.32/x
  3. Step 3: Cross multiply
    197,373.56x = 295,815.04 × 90,644.32
  4. Step 4: Simplify right side
    197,373.56x = 26,813,952,199.38
  5. Step 5: Solve for x
    x = 26,813,952,199.38/197,373.56
  6. Step 6: Final answer
    x = 135,853.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.