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Finding the Fourth Proportional to 101,066.20, 151,477.80 and 41,871.40

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Solution

The fourth proportional to 101,066.20, 151,477.80 and 41,871.40 is: 62,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.20 : 151,477.80 = 41,871.40 : x
  2. Step 2: Convert to fraction form
    101,066.20/151,477.80 = 41,871.40/x
  3. Step 3: Cross multiply
    101,066.20x = 151,477.80 × 41,871.40
  4. Step 4: Simplify right side
    101,066.20x = 6,342,587,554.92
  5. Step 5: Solve for x
    x = 6,342,587,554.92/101,066.20
  6. Step 6: Final answer
    x = 62,756.76

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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.