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Finding the Fourth Proportional to 161,076.60, 222,272.10 and 97,410.60

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Solution

The fourth proportional to 161,076.60, 222,272.10 and 97,410.60 is: 134,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,076.60 : 222,272.10 = 97,410.60 : x
  2. Step 2: Convert to fraction form
    161,076.60/222,272.10 = 97,410.60/x
  3. Step 3: Cross multiply
    161,076.60x = 222,272.10 × 97,410.60
  4. Step 4: Simplify right side
    161,076.60x = 21,651,658,624.26
  5. Step 5: Solve for x
    x = 21,651,658,624.26/161,076.60
  6. Step 6: Final answer
    x = 134,418.40

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1.5x scale

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.