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Finding the Fourth Proportional to 168,222.55, 252,334.77 and 49,894.78

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Solution

The fourth proportional to 168,222.55, 252,334.77 and 49,894.78 is: 74,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,222.55 : 252,334.77 = 49,894.78 : x
  2. Step 2: Convert to fraction form
    168,222.55/252,334.77 = 49,894.78/x
  3. Step 3: Cross multiply
    168,222.55x = 252,334.77 × 49,894.78
  4. Step 4: Simplify right side
    168,222.55x = 12,590,187,835.50
  5. Step 5: Solve for x
    x = 12,590,187,835.50/168,222.55
  6. Step 6: Final answer
    x = 74,842.45

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1.5x scale

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.