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Finding the Fourth Proportional to 173,714.36, 239,731.26 and 98,258

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Solution

The fourth proportional to 173,714.36, 239,731.26 and 98,258 is: 135,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,714.36 : 239,731.26 = 98,258 : x
  2. Step 2: Convert to fraction form
    173,714.36/239,731.26 = 98,258/x
  3. Step 3: Cross multiply
    173,714.36x = 239,731.26 × 98,258
  4. Step 4: Simplify right side
    173,714.36x = 23,555,514,145.08
  5. Step 5: Solve for x
    x = 23,555,514,145.08/173,714.36
  6. Step 6: Final answer
    x = 135,599.12

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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.