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Finding the Fourth Proportional to 201,740.56, 302,656.20 and 61,513.36

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Solution

The fourth proportional to 201,740.56, 302,656.20 and 61,513.36 is: 92,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,740.56 : 302,656.20 = 61,513.36 : x
  2. Step 2: Convert to fraction form
    201,740.56/302,656.20 = 61,513.36/x
  3. Step 3: Cross multiply
    201,740.56x = 302,656.20 × 61,513.36
  4. Step 4: Simplify right side
    201,740.56x = 18,617,399,786.83
  5. Step 5: Solve for x
    x = 18,617,399,786.83/201,740.56
  6. Step 6: Final answer
    x = 92,283.87

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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.