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Finding the Fourth Proportional to 342,091.56, 513,137.34 and 92,767.08

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Solution

The fourth proportional to 342,091.56, 513,137.34 and 92,767.08 is: 139,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,091.56 : 513,137.34 = 92,767.08 : x
  2. Step 2: Convert to fraction form
    342,091.56/513,137.34 = 92,767.08/x
  3. Step 3: Cross multiply
    342,091.56x = 513,137.34 × 92,767.08
  4. Step 4: Simplify right side
    342,091.56x = 47,602,252,670.77
  5. Step 5: Solve for x
    x = 47,602,252,670.77/342,091.56
  6. Step 6: Final answer
    x = 139,150.62

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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.