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Finding the Fourth Proportional to 302,611.60, 453,868.80 and 92,200.60

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Solution

The fourth proportional to 302,611.60, 453,868.80 and 92,200.60 is: 138,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,611.60 : 453,868.80 = 92,200.60 : x
  2. Step 2: Convert to fraction form
    302,611.60/453,868.80 = 92,200.60/x
  3. Step 3: Cross multiply
    302,611.60x = 453,868.80 × 92,200.60
  4. Step 4: Simplify right side
    302,611.60x = 41,846,975,681.28
  5. Step 5: Solve for x
    x = 41,846,975,681.28/302,611.60
  6. Step 6: Final answer
    x = 138,286.09

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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.