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Finding the Fourth Proportional to 111,900.90, 167,851.35 and 94,186.20

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Solution

The fourth proportional to 111,900.90, 167,851.35 and 94,186.20 is: 141,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,900.90 : 167,851.35 = 94,186.20 : x
  2. Step 2: Convert to fraction form
    111,900.90/167,851.35 = 94,186.20/x
  3. Step 3: Cross multiply
    111,900.90x = 167,851.35 × 94,186.20
  4. Step 4: Simplify right side
    111,900.90x = 15,809,280,821.37
  5. Step 5: Solve for x
    x = 15,809,280,821.37/111,900.90
  6. Step 6: Final answer
    x = 141,279.30

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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.