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Finding the Fourth Proportional to 177,420.60, 265,742.10 and 154,092.60

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Solution

The fourth proportional to 177,420.60, 265,742.10 and 154,092.60 is: 230,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,420.60 : 265,742.10 = 154,092.60 : x
  2. Step 2: Convert to fraction form
    177,420.60/265,742.10 = 154,092.60/x
  3. Step 3: Cross multiply
    177,420.60x = 265,742.10 × 154,092.60
  4. Step 4: Simplify right side
    177,420.60x = 40,948,891,118.46
  5. Step 5: Solve for x
    x = 40,948,891,118.46/177,420.60
  6. Step 6: Final answer
    x = 230,801.22

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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.