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Finding the Fourth Proportional to 104,504.76, 156,958.80 and 89,545.68

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Solution

The fourth proportional to 104,504.76, 156,958.80 and 89,545.68 is: 134,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,504.76 : 156,958.80 = 89,545.68 : x
  2. Step 2: Convert to fraction form
    104,504.76/156,958.80 = 89,545.68/x
  3. Step 3: Cross multiply
    104,504.76x = 156,958.80 × 89,545.68
  4. Step 4: Simplify right side
    104,504.76x = 14,054,982,477.98
  5. Step 5: Solve for x
    x = 14,054,982,477.98/104,504.76
  6. Step 6: Final answer
    x = 134,491.31

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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.