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Finding the Fourth Proportional to 101,012.80, 151,507.05 and 41,842.30

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Solution

The fourth proportional to 101,012.80, 151,507.05 and 41,842.30 is: 62,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,012.80 : 151,507.05 = 41,842.30 : x
  2. Step 2: Convert to fraction form
    101,012.80/151,507.05 = 41,842.30/x
  3. Step 3: Cross multiply
    101,012.80x = 151,507.05 × 41,842.30
  4. Step 4: Simplify right side
    101,012.80x = 6,339,403,438.22
  5. Step 5: Solve for x
    x = 6,339,403,438.22/101,012.80
  6. Step 6: Final answer
    x = 62,758.42

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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.