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Finding the Fourth Proportional to 177,813.20, 266,719.80 and 167,675.60

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Solution

The fourth proportional to 177,813.20, 266,719.80 and 167,675.60 is: 251,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,813.20 : 266,719.80 = 167,675.60 : x
  2. Step 2: Convert to fraction form
    177,813.20/266,719.80 = 167,675.60/x
  3. Step 3: Cross multiply
    177,813.20x = 266,719.80 × 167,675.60
  4. Step 4: Simplify right side
    177,813.20x = 44,722,402,496.88
  5. Step 5: Solve for x
    x = 44,722,402,496.88/177,813.20
  6. Step 6: Final answer
    x = 251,513.40

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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.