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Finding the Fourth Proportional to 111,387.82, 167,015.00 and 35,453.56

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Solution

The fourth proportional to 111,387.82, 167,015.00 and 35,453.56 is: 53,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,387.82 : 167,015.00 = 35,453.56 : x
  2. Step 2: Convert to fraction form
    111,387.82/167,015.00 = 35,453.56/x
  3. Step 3: Cross multiply
    111,387.82x = 167,015.00 × 35,453.56
  4. Step 4: Simplify right side
    111,387.82x = 5,921,276,307.65
  5. Step 5: Solve for x
    x = 5,921,276,307.65/111,387.82
  6. Step 6: Final answer
    x = 53,159.10

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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.