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Finding the Fourth Proportional to 302,747.50, 417,804.51 and 168,611.50

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Solution

The fourth proportional to 302,747.50, 417,804.51 and 168,611.50 is: 232,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,747.50 : 417,804.51 = 168,611.50 : x
  2. Step 2: Convert to fraction form
    302,747.50/417,804.51 = 168,611.50/x
  3. Step 3: Cross multiply
    302,747.50x = 417,804.51 × 168,611.50
  4. Step 4: Simplify right side
    302,747.50x = 70,446,645,137.87
  5. Step 5: Solve for x
    x = 70,446,645,137.87/302,747.50
  6. Step 6: Final answer
    x = 232,691.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.