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Finding the Fourth Proportional to 244,564.81, 366,862.91 and 84,656.16

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Solution

The fourth proportional to 244,564.81, 366,862.91 and 84,656.16 is: 126,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,564.81 : 366,862.91 = 84,656.16 : x
  2. Step 2: Convert to fraction form
    244,564.81/366,862.91 = 84,656.16/x
  3. Step 3: Cross multiply
    244,564.81x = 366,862.91 × 84,656.16
  4. Step 4: Simplify right side
    244,564.81x = 31,057,204,783.74
  5. Step 5: Solve for x
    x = 31,057,204,783.74/244,564.81
  6. Step 6: Final answer
    x = 126,989.67

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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.