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Finding the Fourth Proportional to 161,525.34, 222,881.04 and 96,980.94

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Solution

The fourth proportional to 161,525.34, 222,881.04 and 96,980.94 is: 133,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,525.34 : 222,881.04 = 96,980.94 : x
  2. Step 2: Convert to fraction form
    161,525.34/222,881.04 = 96,980.94/x
  3. Step 3: Cross multiply
    161,525.34x = 222,881.04 × 96,980.94
  4. Step 4: Simplify right side
    161,525.34x = 21,615,212,767.38
  5. Step 5: Solve for x
    x = 21,615,212,767.38/161,525.34
  6. Step 6: Final answer
    x = 133,819.33

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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.