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Finding the Fourth Proportional to 111,369.68, 167,051.96 and 27,130.16

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Solution

The fourth proportional to 111,369.68, 167,051.96 and 27,130.16 is: 40,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369.68 : 167,051.96 = 27,130.16 : x
  2. Step 2: Convert to fraction form
    111,369.68/167,051.96 = 27,130.16/x
  3. Step 3: Cross multiply
    111,369.68x = 167,051.96 × 27,130.16
  4. Step 4: Simplify right side
    111,369.68x = 4,532,146,403.11
  5. Step 5: Solve for x
    x = 4,532,146,403.11/111,369.68
  6. Step 6: Final answer
    x = 40,694.62

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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.