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Finding the Fourth Proportional to 195,466.80, 292,762.80 and 169,222.80

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Solution

The fourth proportional to 195,466.80, 292,762.80 and 169,222.80 is: 253,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,466.80 : 292,762.80 = 169,222.80 : x
  2. Step 2: Convert to fraction form
    195,466.80/292,762.80 = 169,222.80/x
  3. Step 3: Cross multiply
    195,466.80x = 292,762.80 × 169,222.80
  4. Step 4: Simplify right side
    195,466.80x = 49,542,140,751.84
  5. Step 5: Solve for x
    x = 49,542,140,751.84/195,466.80
  6. Step 6: Final answer
    x = 253,455.53

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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.