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Finding the Fourth Proportional to 165,483.62, 248,330.32 and 70,714.46

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Solution

The fourth proportional to 165,483.62, 248,330.32 and 70,714.46 is: 106,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,483.62 : 248,330.32 = 70,714.46 : x
  2. Step 2: Convert to fraction form
    165,483.62/248,330.32 = 70,714.46/x
  3. Step 3: Cross multiply
    165,483.62x = 248,330.32 × 70,714.46
  4. Step 4: Simplify right side
    165,483.62x = 17,560,544,480.43
  5. Step 5: Solve for x
    x = 17,560,544,480.43/165,483.62
  6. Step 6: Final answer
    x = 106,116.51

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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.