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Finding the Fourth Proportional to 201,986.16, 303,031.04 and 61,744.36

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Solution

The fourth proportional to 201,986.16, 303,031.04 and 61,744.36 is: 92,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,986.16 : 303,031.04 = 61,744.36 : x
  2. Step 2: Convert to fraction form
    201,986.16/303,031.04 = 61,744.36/x
  3. Step 3: Cross multiply
    201,986.16x = 303,031.04 × 61,744.36
  4. Step 4: Simplify right side
    201,986.16x = 18,710,457,624.93
  5. Step 5: Solve for x
    x = 18,710,457,624.93/201,986.16
  6. Step 6: Final answer
    x = 92,632.37

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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.