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Finding the Fourth Proportional to 302,068.10, 416,845.15 and 166,101.91

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Solution

The fourth proportional to 302,068.10, 416,845.15 and 166,101.91 is: 229,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,068.10 : 416,845.15 = 166,101.91 : x
  2. Step 2: Convert to fraction form
    302,068.10/416,845.15 = 166,101.91/x
  3. Step 3: Cross multiply
    302,068.10x = 416,845.15 × 166,101.91
  4. Step 4: Simplify right side
    302,068.10x = 69,238,774,131.87
  5. Step 5: Solve for x
    x = 69,238,774,131.87/302,068.10
  6. Step 6: Final answer
    x = 229,215.77

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