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Finding the Fourth Proportional to 255,270.53, 352,267.49 and 159,829.85

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Solution

The fourth proportional to 255,270.53, 352,267.49 and 159,829.85 is: 220,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,270.53 : 352,267.49 = 159,829.85 : x
  2. Step 2: Convert to fraction form
    255,270.53/352,267.49 = 159,829.85/x
  3. Step 3: Cross multiply
    255,270.53x = 352,267.49 × 159,829.85
  4. Step 4: Simplify right side
    255,270.53x = 56,302,857,526.09
  5. Step 5: Solve for x
    x = 56,302,857,526.09/255,270.53
  6. Step 6: Final answer
    x = 220,561.53

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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.