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Finding the Fourth Proportional to 193,181.60, 289,835.52 and 93,353.28

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Solution

The fourth proportional to 193,181.60, 289,835.52 and 93,353.28 is: 140,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,181.60 : 289,835.52 = 93,353.28 : x
  2. Step 2: Convert to fraction form
    193,181.60/289,835.52 = 93,353.28/x
  3. Step 3: Cross multiply
    193,181.60x = 289,835.52 × 93,353.28
  4. Step 4: Simplify right side
    193,181.60x = 27,057,096,452.51
  5. Step 5: Solve for x
    x = 27,057,096,452.51/193,181.60
  6. Step 6: Final answer
    x = 140,060.42

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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.