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Finding the Fourth Proportional to 302,645.84, 417,635.02 and 166,653.22

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Solution

The fourth proportional to 302,645.84, 417,635.02 and 166,653.22 is: 229,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,645.84 : 417,635.02 = 166,653.22 : x
  2. Step 2: Convert to fraction form
    302,645.84/417,635.02 = 166,653.22/x
  3. Step 3: Cross multiply
    302,645.84x = 417,635.02 × 166,653.22
  4. Step 4: Simplify right side
    302,645.84x = 69,600,220,867.76
  5. Step 5: Solve for x
    x = 69,600,220,867.76/302,645.84
  6. Step 6: Final answer
    x = 229,972.50

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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.