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Finding the Fourth Proportional to 111,782.34, 154,260.69 and 60,795.47

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Solution

The fourth proportional to 111,782.34, 154,260.69 and 60,795.47 is: 83,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,782.34 : 154,260.69 = 60,795.47 : x
  2. Step 2: Convert to fraction form
    111,782.34/154,260.69 = 60,795.47/x
  3. Step 3: Cross multiply
    111,782.34x = 154,260.69 × 60,795.47
  4. Step 4: Simplify right side
    111,782.34x = 9,378,351,308.74
  5. Step 5: Solve for x
    x = 9,378,351,308.74/111,782.34
  6. Step 6: Final answer
    x = 83,898.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.