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Finding the Fourth Proportional to 111,968.04, 167,132.87 and 98,682.48

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Solution

The fourth proportional to 111,968.04, 167,132.87 and 98,682.48 is: 147,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,968.04 : 167,132.87 = 98,682.48 : x
  2. Step 2: Convert to fraction form
    111,968.04/167,132.87 = 98,682.48/x
  3. Step 3: Cross multiply
    111,968.04x = 167,132.87 × 98,682.48
  4. Step 4: Simplify right side
    111,968.04x = 16,493,085,607.71
  5. Step 5: Solve for x
    x = 16,493,085,607.71/111,968.04
  6. Step 6: Final answer
    x = 147,301.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.