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Finding the Fourth Proportional to 217,004.40, 325,603.80 and 98,614.80

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Solution

The fourth proportional to 217,004.40, 325,603.80 and 98,614.80 is: 147,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,004.40 : 325,603.80 = 98,614.80 : x
  2. Step 2: Convert to fraction form
    217,004.40/325,603.80 = 98,614.80/x
  3. Step 3: Cross multiply
    217,004.40x = 325,603.80 × 98,614.80
  4. Step 4: Simplify right side
    217,004.40x = 32,109,353,616.24
  5. Step 5: Solve for x
    x = 32,109,353,616.24/217,004.40
  6. Step 6: Final answer
    x = 147,966.37

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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.