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Finding the Fourth Proportional to 111,642.30, 167,269.05 and 96,090.30

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Solution

The fourth proportional to 111,642.30, 167,269.05 and 96,090.30 is: 143,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,642.30 : 167,269.05 = 96,090.30 : x
  2. Step 2: Convert to fraction form
    111,642.30/167,269.05 = 96,090.30/x
  3. Step 3: Cross multiply
    111,642.30x = 167,269.05 × 96,090.30
  4. Step 4: Simplify right side
    111,642.30x = 16,072,933,195.22
  5. Step 5: Solve for x
    x = 16,072,933,195.22/111,642.30
  6. Step 6: Final answer
    x = 143,968.13

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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.