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Finding the Fourth Proportional to 111,316.88, 166,968.84 and 36,485.84

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Solution

The fourth proportional to 111,316.88, 166,968.84 and 36,485.84 is: 54,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,316.88 : 166,968.84 = 36,485.84 : x
  2. Step 2: Convert to fraction form
    111,316.88/166,968.84 = 36,485.84/x
  3. Step 3: Cross multiply
    111,316.88x = 166,968.84 × 36,485.84
  4. Step 4: Simplify right side
    111,316.88x = 6,091,998,381.23
  5. Step 5: Solve for x
    x = 6,091,998,381.23/111,316.88
  6. Step 6: Final answer
    x = 54,726.64

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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.