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Finding the Fourth Proportional to 178,493.56, 246,322.02 and 97,928.53

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Solution

The fourth proportional to 178,493.56, 246,322.02 and 97,928.53 is: 135,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,493.56 : 246,322.02 = 97,928.53 : x
  2. Step 2: Convert to fraction form
    178,493.56/246,322.02 = 97,928.53/x
  3. Step 3: Cross multiply
    178,493.56x = 246,322.02 × 97,928.53
  4. Step 4: Simplify right side
    178,493.56x = 24,121,953,325.23
  5. Step 5: Solve for x
    x = 24,121,953,325.23/178,493.56
  6. Step 6: Final answer
    x = 135,141.87

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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.