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Finding the Fourth Proportional to 177,207.40, 265,811.10 and 163,210.60

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Solution

The fourth proportional to 177,207.40, 265,811.10 and 163,210.60 is: 244,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,207.40 : 265,811.10 = 163,210.60 : x
  2. Step 2: Convert to fraction form
    177,207.40/265,811.10 = 163,210.60/x
  3. Step 3: Cross multiply
    177,207.40x = 265,811.10 × 163,210.60
  4. Step 4: Simplify right side
    177,207.40x = 43,383,189,117.66
  5. Step 5: Solve for x
    x = 43,383,189,117.66/177,207.40
  6. Step 6: Final answer
    x = 244,815.90

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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.