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Finding the Fourth Proportional to 111,836, 167,754 and 28,730

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Solution

The fourth proportional to 111,836, 167,754 and 28,730 is: 43,095

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,836 : 167,754 = 28,730 : x
  2. Step 2: Convert to fraction form
    111,836/167,754 = 28,730/x
  3. Step 3: Cross multiply
    111,836x = 167,754 × 28,730
  4. Step 4: Simplify right side
    111,836x = 4,819,572,420
  5. Step 5: Solve for x
    x = 4,819,572,420/111,836
  6. Step 6: Final answer
    x = 43,095

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