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Finding the Fourth Proportional to 355,035.56, 532,356.30 and 118,249.07

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Solution

The fourth proportional to 355,035.56, 532,356.30 and 118,249.07 is: 177,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,035.56 : 532,356.30 = 118,249.07 : x
  2. Step 2: Convert to fraction form
    355,035.56/532,356.30 = 118,249.07/x
  3. Step 3: Cross multiply
    355,035.56x = 532,356.30 × 118,249.07
  4. Step 4: Simplify right side
    355,035.56x = 62,950,634,721.86
  5. Step 5: Solve for x
    x = 62,950,634,721.86/355,035.56
  6. Step 6: Final answer
    x = 177,307.97

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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.