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Finding the Fourth Proportional to 302,751.75, 417,797.43 and 168,615.75

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Solution

The fourth proportional to 302,751.75, 417,797.43 and 168,615.75 is: 232,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,751.75 : 417,797.43 = 168,615.75 : x
  2. Step 2: Convert to fraction form
    302,751.75/417,797.43 = 168,615.75/x
  3. Step 3: Cross multiply
    302,751.75x = 417,797.43 × 168,615.75
  4. Step 4: Simplify right side
    302,751.75x = 70,447,227,007.52
  5. Step 5: Solve for x
    x = 70,447,227,007.52/302,751.75
  6. Step 6: Final answer
    x = 232,689.74

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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.