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Finding the Fourth Proportional to 340,376.96, 510,798.72 and 118,760.96

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Solution

The fourth proportional to 340,376.96, 510,798.72 and 118,760.96 is: 178,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,376.96 : 510,798.72 = 118,760.96 : x
  2. Step 2: Convert to fraction form
    340,376.96/510,798.72 = 118,760.96/x
  3. Step 3: Cross multiply
    340,376.96x = 510,798.72 × 118,760.96
  4. Step 4: Simplify right side
    340,376.96x = 60,662,946,353.97
  5. Step 5: Solve for x
    x = 60,662,946,353.97/340,376.96
  6. Step 6: Final answer
    x = 178,222.83

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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.