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Finding the Fourth Proportional to 188,881.90, 283,353.60 and 55,775.62

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Solution

The fourth proportional to 188,881.90, 283,353.60 and 55,775.62 is: 83,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,881.90 : 283,353.60 = 55,775.62 : x
  2. Step 2: Convert to fraction form
    188,881.90/283,353.60 = 55,775.62/x
  3. Step 3: Cross multiply
    188,881.90x = 283,353.60 × 55,775.62
  4. Step 4: Simplify right side
    188,881.90x = 15,804,222,719.23
  5. Step 5: Solve for x
    x = 15,804,222,719.23/188,881.90
  6. Step 6: Final answer
    x = 83,672.51

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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.