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Finding the Fourth Proportional to 118,051.24, 162,904.62 and 67,747

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Solution

The fourth proportional to 118,051.24, 162,904.62 and 67,747 is: 93,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051.24 : 162,904.62 = 67,747 : x
  2. Step 2: Convert to fraction form
    118,051.24/162,904.62 = 67,747/x
  3. Step 3: Cross multiply
    118,051.24x = 162,904.62 × 67,747
  4. Step 4: Simplify right side
    118,051.24x = 11,036,299,291.14
  5. Step 5: Solve for x
    x = 11,036,299,291.14/118,051.24
  6. Step 6: Final answer
    x = 93,487.36

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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.