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Finding the Fourth Proportional to 302,763.88, 417,808.74 and 168,625

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Solution

The fourth proportional to 302,763.88, 417,808.74 and 168,625 is: 232,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,763.88 : 417,808.74 = 168,625 : x
  2. Step 2: Convert to fraction form
    302,763.88/417,808.74 = 168,625/x
  3. Step 3: Cross multiply
    302,763.88x = 417,808.74 × 168,625
  4. Step 4: Simplify right side
    302,763.88x = 70,452,998,782.50
  5. Step 5: Solve for x
    x = 70,452,998,782.50/302,763.88
  6. Step 6: Final answer
    x = 232,699.48

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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.