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Finding the Fourth Proportional to 201,685.88, 302,528.84 and 61,444.50

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Solution

The fourth proportional to 201,685.88, 302,528.84 and 61,444.50 is: 92,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,685.88 : 302,528.84 = 61,444.50 : x
  2. Step 2: Convert to fraction form
    201,685.88/302,528.84 = 61,444.50/x
  3. Step 3: Cross multiply
    201,685.88x = 302,528.84 × 61,444.50
  4. Step 4: Simplify right side
    201,685.88x = 18,588,733,002.16
  5. Step 5: Solve for x
    x = 18,588,733,002.16/201,685.88
  6. Step 6: Final answer
    x = 92,166.76

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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.