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Finding the Fourth Proportional to 177,866.40, 266,799.60 and 171,645.60

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Solution

The fourth proportional to 177,866.40, 266,799.60 and 171,645.60 is: 257,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,866.40 : 266,799.60 = 171,645.60 : x
  2. Step 2: Convert to fraction form
    177,866.40/266,799.60 = 171,645.60/x
  3. Step 3: Cross multiply
    177,866.40x = 266,799.60 × 171,645.60
  4. Step 4: Simplify right side
    177,866.40x = 45,794,977,421.76
  5. Step 5: Solve for x
    x = 45,794,977,421.76/177,866.40
  6. Step 6: Final answer
    x = 257,468.40

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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.