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Finding the Fourth Proportional to 173,684.64, 239,668.40 and 97,183.20

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Solution

The fourth proportional to 173,684.64, 239,668.40 and 97,183.20 is: 134,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,684.64 : 239,668.40 = 97,183.20 : x
  2. Step 2: Convert to fraction form
    173,684.64/239,668.40 = 97,183.20/x
  3. Step 3: Cross multiply
    173,684.64x = 239,668.40 × 97,183.20
  4. Step 4: Simplify right side
    173,684.64x = 23,291,742,050.88
  5. Step 5: Solve for x
    x = 23,291,742,050.88/173,684.64
  6. Step 6: Final answer
    x = 134,103.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.