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Finding the Fourth Proportional to 111,165.22, 166,697.52 and 47,955.52

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Solution

The fourth proportional to 111,165.22, 166,697.52 and 47,955.52 is: 71,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,165.22 : 166,697.52 = 47,955.52 : x
  2. Step 2: Convert to fraction form
    111,165.22/166,697.52 = 47,955.52/x
  3. Step 3: Cross multiply
    111,165.22x = 166,697.52 × 47,955.52
  4. Step 4: Simplify right side
    111,165.22x = 7,994,066,254.31
  5. Step 5: Solve for x
    x = 7,994,066,254.31/111,165.22
  6. Step 6: Final answer
    x = 71,911.58

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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.