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Finding the Fourth Proportional to 165,709.99, 228,689.54 and 124,801.95

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Solution

The fourth proportional to 165,709.99, 228,689.54 and 124,801.95 is: 172,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,709.99 : 228,689.54 = 124,801.95 : x
  2. Step 2: Convert to fraction form
    165,709.99/228,689.54 = 124,801.95/x
  3. Step 3: Cross multiply
    165,709.99x = 228,689.54 × 124,801.95
  4. Step 4: Simplify right side
    165,709.99x = 28,540,900,536.60
  5. Step 5: Solve for x
    x = 28,540,900,536.60/165,709.99
  6. Step 6: Final answer
    x = 172,234.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.