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Finding the Fourth Proportional to 174,908.40, 262,362.60 and 154,172.40

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Solution

The fourth proportional to 174,908.40, 262,362.60 and 154,172.40 is: 231,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,908.40 : 262,362.60 = 154,172.40 : x
  2. Step 2: Convert to fraction form
    174,908.40/262,362.60 = 154,172.40/x
  3. Step 3: Cross multiply
    174,908.40x = 262,362.60 × 154,172.40
  4. Step 4: Simplify right side
    174,908.40x = 40,449,071,712.24
  5. Step 5: Solve for x
    x = 40,449,071,712.24/174,908.40
  6. Step 6: Final answer
    x = 231,258.60

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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.