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Finding the Fourth Proportional to 131,735.56, 197,603.46 and 61,664.08

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Solution

The fourth proportional to 131,735.56, 197,603.46 and 61,664.08 is: 92,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,735.56 : 197,603.46 = 61,664.08 : x
  2. Step 2: Convert to fraction form
    131,735.56/197,603.46 = 61,664.08/x
  3. Step 3: Cross multiply
    131,735.56x = 197,603.46 × 61,664.08
  4. Step 4: Simplify right side
    131,735.56x = 12,185,035,565.72
  5. Step 5: Solve for x
    x = 12,185,035,565.72/131,735.56
  6. Step 6: Final answer
    x = 92,496.18

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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.