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Finding the Fourth Proportional to 355,235.59, 532,845.87 and 115,349.23

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Solution

The fourth proportional to 355,235.59, 532,845.87 and 115,349.23 is: 173,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.59 : 532,845.87 = 115,349.23 : x
  2. Step 2: Convert to fraction form
    355,235.59/532,845.87 = 115,349.23/x
  3. Step 3: Cross multiply
    355,235.59x = 532,845.87 × 115,349.23
  4. Step 4: Simplify right side
    355,235.59x = 61,463,361,695.52
  5. Step 5: Solve for x
    x = 61,463,361,695.52/355,235.59
  6. Step 6: Final answer
    x = 173,021.41

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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.