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Finding the Fourth Proportional to 116,369.68, 174,345.78 and 70,694.32

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Solution

The fourth proportional to 116,369.68, 174,345.78 and 70,694.32 is: 105,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,369.68 : 174,345.78 = 70,694.32 : x
  2. Step 2: Convert to fraction form
    116,369.68/174,345.78 = 70,694.32/x
  3. Step 3: Cross multiply
    116,369.68x = 174,345.78 × 70,694.32
  4. Step 4: Simplify right side
    116,369.68x = 12,325,256,361.97
  5. Step 5: Solve for x
    x = 12,325,256,361.97/116,369.68
  6. Step 6: Final answer
    x = 105,914.67

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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.