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Finding the Fourth Proportional to 111,605.55, 167,408.33 and 49,263.63

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Solution

The fourth proportional to 111,605.55, 167,408.33 and 49,263.63 is: 73,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,605.55 : 167,408.33 = 49,263.63 : x
  2. Step 2: Convert to fraction form
    111,605.55/167,408.33 = 49,263.63/x
  3. Step 3: Cross multiply
    111,605.55x = 167,408.33 × 49,263.63
  4. Step 4: Simplify right side
    111,605.55x = 8,247,142,028.04
  5. Step 5: Solve for x
    x = 8,247,142,028.04/111,605.55
  6. Step 6: Final answer
    x = 73,895.45

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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.