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Finding the Fourth Proportional to 342,615.36, 513,957.24 and 117,946.05

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Solution

The fourth proportional to 342,615.36, 513,957.24 and 117,946.05 is: 176,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,615.36 : 513,957.24 = 117,946.05 : x
  2. Step 2: Convert to fraction form
    342,615.36/513,957.24 = 117,946.05/x
  3. Step 3: Cross multiply
    342,615.36x = 513,957.24 × 117,946.05
  4. Step 4: Simplify right side
    342,615.36x = 60,619,226,326.90
  5. Step 5: Solve for x
    x = 60,619,226,326.90/342,615.36
  6. Step 6: Final answer
    x = 176,930.85

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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.