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Finding the Fourth Proportional to 133,099.60, 199,746.60 and 93,733.60

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Solution

The fourth proportional to 133,099.60, 199,746.60 and 93,733.60 is: 140,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.60 : 199,746.60 = 93,733.60 : x
  2. Step 2: Convert to fraction form
    133,099.60/199,746.60 = 93,733.60/x
  3. Step 3: Cross multiply
    133,099.60x = 199,746.60 × 93,733.60
  4. Step 4: Simplify right side
    133,099.60x = 18,722,967,905.76
  5. Step 5: Solve for x
    x = 18,722,967,905.76/133,099.60
  6. Step 6: Final answer
    x = 140,668.85

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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.