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Finding the Fourth Proportional to 342,134.52, 513,203.64 and 92,816.52

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Solution

The fourth proportional to 342,134.52, 513,203.64 and 92,816.52 is: 139,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,134.52 : 513,203.64 = 92,816.52 : x
  2. Step 2: Convert to fraction form
    342,134.52/513,203.64 = 92,816.52/x
  3. Step 3: Cross multiply
    342,134.52x = 513,203.64 × 92,816.52
  4. Step 4: Simplify right side
    342,134.52x = 47,633,775,916.13
  5. Step 5: Solve for x
    x = 47,633,775,916.13/342,134.52
  6. Step 6: Final answer
    x = 139,225.28

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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.