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Finding the Fourth Proportional to 174,910.40, 262,365.60 and 154,174.40

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Solution

The fourth proportional to 174,910.40, 262,365.60 and 154,174.40 is: 231,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,910.40 : 262,365.60 = 154,174.40 : x
  2. Step 2: Convert to fraction form
    174,910.40/262,365.60 = 154,174.40/x
  3. Step 3: Cross multiply
    174,910.40x = 262,365.60 × 154,174.40
  4. Step 4: Simplify right side
    174,910.40x = 40,450,058,960.64
  5. Step 5: Solve for x
    x = 40,450,058,960.64/174,910.40
  6. Step 6: Final answer
    x = 231,261.60

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1.5x scale

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.