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Finding the Fourth Proportional to 250,919.76, 346,123.08 and 161,495.76

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Solution

The fourth proportional to 250,919.76, 346,123.08 and 161,495.76 is: 222,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,919.76 : 346,123.08 = 161,495.76 : x
  2. Step 2: Convert to fraction form
    250,919.76/346,123.08 = 161,495.76/x
  3. Step 3: Cross multiply
    250,919.76x = 346,123.08 × 161,495.76
  4. Step 4: Simplify right side
    250,919.76x = 55,897,409,858.14
  5. Step 5: Solve for x
    x = 55,897,409,858.14/250,919.76
  6. Step 6: Final answer
    x = 222,770.06

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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.