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Finding the Fourth Proportional to 133,901.64, 200,852.24 and 54,960.25

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Solution

The fourth proportional to 133,901.64, 200,852.24 and 54,960.25 is: 82,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,901.64 : 200,852.24 = 54,960.25 : x
  2. Step 2: Convert to fraction form
    133,901.64/200,852.24 = 54,960.25/x
  3. Step 3: Cross multiply
    133,901.64x = 200,852.24 × 54,960.25
  4. Step 4: Simplify right side
    133,901.64x = 11,038,889,323.46
  5. Step 5: Solve for x
    x = 11,038,889,323.46/133,901.64
  6. Step 6: Final answer
    x = 82,440.28

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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.