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Finding the Fourth Proportional to 108,670.46, 162,964.73 and 45,494.93

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Solution

The fourth proportional to 108,670.46, 162,964.73 and 45,494.93 is: 68,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,670.46 : 162,964.73 = 45,494.93 : x
  2. Step 2: Convert to fraction form
    108,670.46/162,964.73 = 45,494.93/x
  3. Step 3: Cross multiply
    108,670.46x = 162,964.73 × 45,494.93
  4. Step 4: Simplify right side
    108,670.46x = 7,414,069,504.97
  5. Step 5: Solve for x
    x = 7,414,069,504.97/108,670.46
  6. Step 6: Final answer
    x = 68,225.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.