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Finding the Fourth Proportional to 111,603.55, 167,405.33 and 49,261.63

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Solution

The fourth proportional to 111,603.55, 167,405.33 and 49,261.63 is: 73,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,603.55 : 167,405.33 = 49,261.63 : x
  2. Step 2: Convert to fraction form
    111,603.55/167,405.33 = 49,261.63/x
  3. Step 3: Cross multiply
    111,603.55x = 167,405.33 × 49,261.63
  4. Step 4: Simplify right side
    111,603.55x = 8,246,659,783.42
  5. Step 5: Solve for x
    x = 8,246,659,783.42/111,603.55
  6. Step 6: Final answer
    x = 73,892.45

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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.