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Finding the Fourth Proportional to 161,201.48, 241,989.04 and 86,467.58

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Solution

The fourth proportional to 161,201.48, 241,989.04 and 86,467.58 is: 129,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,201.48 : 241,989.04 = 86,467.58 : x
  2. Step 2: Convert to fraction form
    161,201.48/241,989.04 = 86,467.58/x
  3. Step 3: Cross multiply
    161,201.48x = 241,989.04 × 86,467.58
  4. Step 4: Simplify right side
    161,201.48x = 20,924,206,675.32
  5. Step 5: Solve for x
    x = 20,924,206,675.32/161,201.48
  6. Step 6: Final answer
    x = 129,801.58

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1.5x scale

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.