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Finding the Fourth Proportional to 178,076.52, 245,736.21 and 97,488.60

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Solution

The fourth proportional to 178,076.52, 245,736.21 and 97,488.60 is: 134,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,076.52 : 245,736.21 = 97,488.60 : x
  2. Step 2: Convert to fraction form
    178,076.52/245,736.21 = 97,488.60/x
  3. Step 3: Cross multiply
    178,076.52x = 245,736.21 × 97,488.60
  4. Step 4: Simplify right side
    178,076.52x = 23,956,479,082.21
  5. Step 5: Solve for x
    x = 23,956,479,082.21/178,076.52
  6. Step 6: Final answer
    x = 134,529.13

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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.