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Finding the Fourth Proportional to 119,334.97, 164,679.58 and 64,885.96

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Solution

The fourth proportional to 119,334.97, 164,679.58 and 64,885.96 is: 89,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,334.97 : 164,679.58 = 64,885.96 : x
  2. Step 2: Convert to fraction form
    119,334.97/164,679.58 = 64,885.96/x
  3. Step 3: Cross multiply
    119,334.97x = 164,679.58 × 64,885.96
  4. Step 4: Simplify right side
    119,334.97x = 10,685,392,927.65
  5. Step 5: Solve for x
    x = 10,685,392,927.65/119,334.97
  6. Step 6: Final answer
    x = 89,541.17

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Why These Related Problems?

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