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Finding the Fourth Proportional to 201,728.88, 302,573.88 and 61,488.72

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Solution

The fourth proportional to 201,728.88, 302,573.88 and 61,488.72 is: 92,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,728.88 : 302,573.88 = 61,488.72 : x
  2. Step 2: Convert to fraction form
    201,728.88/302,573.88 = 61,488.72/x
  3. Step 3: Cross multiply
    201,728.88x = 302,573.88 × 61,488.72
  4. Step 4: Simplify right side
    201,728.88x = 18,604,880,586.63
  5. Step 5: Solve for x
    x = 18,604,880,586.63/201,728.88
  6. Step 6: Final answer
    x = 92,227.15

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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.