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Finding the Fourth Proportional to 171,873.39, 257,823.96 and 65,308.44

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Solution

The fourth proportional to 171,873.39, 257,823.96 and 65,308.44 is: 97,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,873.39 : 257,823.96 = 65,308.44 : x
  2. Step 2: Convert to fraction form
    171,873.39/257,823.96 = 65,308.44/x
  3. Step 3: Cross multiply
    171,873.39x = 257,823.96 × 65,308.44
  4. Step 4: Simplify right side
    171,873.39x = 16,838,080,622.22
  5. Step 5: Solve for x
    x = 16,838,080,622.22/171,873.39
  6. Step 6: Final answer
    x = 97,967.93

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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.