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Finding the Fourth Proportional to 355,208.80, 532,441.02 and 165,512.77

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Solution

The fourth proportional to 355,208.80, 532,441.02 and 165,512.77 is: 248,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,208.80 : 532,441.02 = 165,512.77 : x
  2. Step 2: Convert to fraction form
    355,208.80/532,441.02 = 165,512.77/x
  3. Step 3: Cross multiply
    355,208.80x = 532,441.02 × 165,512.77
  4. Step 4: Simplify right side
    355,208.80x = 88,125,788,081.83
  5. Step 5: Solve for x
    x = 88,125,788,081.83/355,208.80
  6. Step 6: Final answer
    x = 248,095.73

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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.