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Finding the Fourth Proportional to 73,609.27, 101,580.81 and 40,075.27

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Solution

The fourth proportional to 73,609.27, 101,580.81 and 40,075.27 is: 55,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,609.27 : 101,580.81 = 40,075.27 : x
  2. Step 2: Convert to fraction form
    73,609.27/101,580.81 = 40,075.27/x
  3. Step 3: Cross multiply
    73,609.27x = 101,580.81 × 40,075.27
  4. Step 4: Simplify right side
    73,609.27x = 4,070,877,679.29
  5. Step 5: Solve for x
    x = 4,070,877,679.29/73,609.27
  6. Step 6: Final answer
    x = 55,303.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.