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Finding the Fourth Proportional to 178,556.58, 267,805.62 and 66,210.39

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Solution

The fourth proportional to 178,556.58, 267,805.62 and 66,210.39 is: 99,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,556.58 : 267,805.62 = 66,210.39 : x
  2. Step 2: Convert to fraction form
    178,556.58/267,805.62 = 66,210.39/x
  3. Step 3: Cross multiply
    178,556.58x = 267,805.62 × 66,210.39
  4. Step 4: Simplify right side
    178,556.58x = 17,731,514,544.39
  5. Step 5: Solve for x
    x = 17,731,514,544.39/178,556.58
  6. Step 6: Final answer
    x = 99,304.74

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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.