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Finding the Fourth Proportional to 100,964.77, 151,448.73 and 29,894.62

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Solution

The fourth proportional to 100,964.77, 151,448.73 and 29,894.62 is: 44,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964.77 : 151,448.73 = 29,894.62 : x
  2. Step 2: Convert to fraction form
    100,964.77/151,448.73 = 29,894.62/x
  3. Step 3: Cross multiply
    100,964.77x = 151,448.73 × 29,894.62
  4. Step 4: Simplify right side
    100,964.77x = 4,527,501,966.32
  5. Step 5: Solve for x
    x = 4,527,501,966.32/100,964.77
  6. Step 6: Final answer
    x = 44,842.39

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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.