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Finding the Fourth Proportional to 119,325.96, 164,674.62 and 71,561.88

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Solution

The fourth proportional to 119,325.96, 164,674.62 and 71,561.88 is: 98,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,325.96 : 164,674.62 = 71,561.88 : x
  2. Step 2: Convert to fraction form
    119,325.96/164,674.62 = 71,561.88/x
  3. Step 3: Cross multiply
    119,325.96x = 164,674.62 × 71,561.88
  4. Step 4: Simplify right side
    119,325.96x = 11,784,425,395.49
  5. Step 5: Solve for x
    x = 11,784,425,395.49/119,325.96
  6. Step 6: Final answer
    x = 98,758.27

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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.