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Finding the Fourth Proportional to 111,804.76, 167,707.26 and 28,698.76

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Solution

The fourth proportional to 111,804.76, 167,707.26 and 28,698.76 is: 43,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,804.76 : 167,707.26 = 28,698.76 : x
  2. Step 2: Convert to fraction form
    111,804.76/167,707.26 = 28,698.76/x
  3. Step 3: Cross multiply
    111,804.76x = 167,707.26 × 28,698.76
  4. Step 4: Simplify right side
    111,804.76x = 4,812,990,405.00
  5. Step 5: Solve for x
    x = 4,812,990,405.00/111,804.76
  6. Step 6: Final answer
    x = 43,048.17

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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.