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Finding the Fourth Proportional to 197,361.72, 296,116.92 and 118,530.90

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Solution

The fourth proportional to 197,361.72, 296,116.92 and 118,530.90 is: 177,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,361.72 : 296,116.92 = 118,530.90 : x
  2. Step 2: Convert to fraction form
    197,361.72/296,116.92 = 118,530.90/x
  3. Step 3: Cross multiply
    197,361.72x = 296,116.92 × 118,530.90
  4. Step 4: Simplify right side
    197,361.72x = 35,099,005,032.83
  5. Step 5: Solve for x
    x = 35,099,005,032.83/197,361.72
  6. Step 6: Final answer
    x = 177,841.00

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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.