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Finding the Fourth Proportional to 178,440.66, 246,255.02 and 97,871.58

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Solution

The fourth proportional to 178,440.66, 246,255.02 and 97,871.58 is: 135,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,440.66 : 246,255.02 = 97,871.58 : x
  2. Step 2: Convert to fraction form
    178,440.66/246,255.02 = 97,871.58/x
  3. Step 3: Cross multiply
    178,440.66x = 246,255.02 × 97,871.58
  4. Step 4: Simplify right side
    178,440.66x = 24,101,367,890.33
  5. Step 5: Solve for x
    x = 24,101,367,890.33/178,440.66
  6. Step 6: Final answer
    x = 135,066.57

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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.