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Finding the Fourth Proportional to 119,277.60, 164,618.64 and 76,959.24

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Solution

The fourth proportional to 119,277.60, 164,618.64 and 76,959.24 is: 106,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,277.60 : 164,618.64 = 76,959.24 : x
  2. Step 2: Convert to fraction form
    119,277.60/164,618.64 = 76,959.24/x
  3. Step 3: Cross multiply
    119,277.60x = 164,618.64 × 76,959.24
  4. Step 4: Simplify right side
    119,277.60x = 12,668,925,424.23
  5. Step 5: Solve for x
    x = 12,668,925,424.23/119,277.60
  6. Step 6: Final answer
    x = 106,213.79

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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.