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Finding the Fourth Proportional to 170,569.08, 255,763.11 and 52,208.64

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Solution

The fourth proportional to 170,569.08, 255,763.11 and 52,208.64 is: 78,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,569.08 : 255,763.11 = 52,208.64 : x
  2. Step 2: Convert to fraction form
    170,569.08/255,763.11 = 52,208.64/x
  3. Step 3: Cross multiply
    170,569.08x = 255,763.11 × 52,208.64
  4. Step 4: Simplify right side
    170,569.08x = 13,353,044,135.27
  5. Step 5: Solve for x
    x = 13,353,044,135.27/170,569.08
  6. Step 6: Final answer
    x = 78,285.26

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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.