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Finding the Fourth Proportional to 77,352.60, 116,030.34 and 61,956.12

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Solution

The fourth proportional to 77,352.60, 116,030.34 and 61,956.12 is: 92,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352.60 : 116,030.34 = 61,956.12 : x
  2. Step 2: Convert to fraction form
    77,352.60/116,030.34 = 61,956.12/x
  3. Step 3: Cross multiply
    77,352.60x = 116,030.34 × 61,956.12
  4. Step 4: Simplify right side
    77,352.60x = 7,188,789,668.68
  5. Step 5: Solve for x
    x = 7,188,789,668.68/77,352.60
  6. Step 6: Final answer
    x = 92,935.33

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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.