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Finding the Fourth Proportional to 100,964.65, 151,448.55 and 29,894.49

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Solution

The fourth proportional to 100,964.65, 151,448.55 and 29,894.49 is: 44,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964.65 : 151,448.55 = 29,894.49 : x
  2. Step 2: Convert to fraction form
    100,964.65/151,448.55 = 29,894.49/x
  3. Step 3: Cross multiply
    100,964.65x = 151,448.55 × 29,894.49
  4. Step 4: Simplify right side
    100,964.65x = 4,527,477,014.02
  5. Step 5: Solve for x
    x = 4,527,477,014.02/100,964.65
  6. Step 6: Final answer
    x = 44,842.20

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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.