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Finding the Fourth Proportional to 201,740.56, 302,659.50 and 61,490.68

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Solution

The fourth proportional to 201,740.56, 302,659.50 and 61,490.68 is: 92,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,740.56 : 302,659.50 = 61,490.68 : x
  2. Step 2: Convert to fraction form
    201,740.56/302,659.50 = 61,490.68/x
  3. Step 3: Cross multiply
    201,740.56x = 302,659.50 × 61,490.68
  4. Step 4: Simplify right side
    201,740.56x = 18,610,738,463.46
  5. Step 5: Solve for x
    x = 18,610,738,463.46/201,740.56
  6. Step 6: Final answer
    x = 92,250.85

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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.