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Finding the Fourth Proportional to 116,564.70, 174,555.45 and 93,236.70

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Solution

The fourth proportional to 116,564.70, 174,555.45 and 93,236.70 is: 139,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564.70 : 174,555.45 = 93,236.70 : x
  2. Step 2: Convert to fraction form
    116,564.70/174,555.45 = 93,236.70/x
  3. Step 3: Cross multiply
    116,564.70x = 174,555.45 × 93,236.70
  4. Step 4: Simplify right side
    116,564.70x = 16,274,974,125.02
  5. Step 5: Solve for x
    x = 16,274,974,125.02/116,564.70
  6. Step 6: Final answer
    x = 139,621.81

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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.