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Finding the Fourth Proportional to 234,854.54, 324,064.80 and 131,483.39

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Solution

The fourth proportional to 234,854.54, 324,064.80 and 131,483.39 is: 181,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,854.54 : 324,064.80 = 131,483.39 : x
  2. Step 2: Convert to fraction form
    234,854.54/324,064.80 = 131,483.39/x
  3. Step 3: Cross multiply
    234,854.54x = 324,064.80 × 131,483.39
  4. Step 4: Simplify right side
    234,854.54x = 42,609,136,863.35
  5. Step 5: Solve for x
    x = 42,609,136,863.35/234,854.54
  6. Step 6: Final answer
    x = 181,427.78

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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.