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Finding the Fourth Proportional to 154,955.76, 232,783.56 and 133,960.56

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Solution

The fourth proportional to 154,955.76, 232,783.56 and 133,960.56 is: 201,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,955.76 : 232,783.56 = 133,960.56 : x
  2. Step 2: Convert to fraction form
    154,955.76/232,783.56 = 133,960.56/x
  3. Step 3: Cross multiply
    154,955.76x = 232,783.56 × 133,960.56
  4. Step 4: Simplify right side
    154,955.76x = 31,183,816,056.39
  5. Step 5: Solve for x
    x = 31,183,816,056.39/154,955.76
  6. Step 6: Final answer
    x = 201,243.35

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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.