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Finding the Fourth Proportional to 302,611.02, 417,571.04 and 166,636.88

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Solution

The fourth proportional to 302,611.02, 417,571.04 and 166,636.88 is: 229,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,611.02 : 417,571.04 = 166,636.88 : x
  2. Step 2: Convert to fraction form
    302,611.02/417,571.04 = 166,636.88/x
  3. Step 3: Cross multiply
    302,611.02x = 417,571.04 × 166,636.88
  4. Step 4: Simplify right side
    302,611.02x = 69,582,735,178.58
  5. Step 5: Solve for x
    x = 69,582,735,178.58/302,611.02
  6. Step 6: Final answer
    x = 229,941.18

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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.