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Finding the Fourth Proportional to 134,440.97, 201,661.52 and 55,468.40

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Solution

The fourth proportional to 134,440.97, 201,661.52 and 55,468.40 is: 83,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,440.97 : 201,661.52 = 55,468.40 : x
  2. Step 2: Convert to fraction form
    134,440.97/201,661.52 = 55,468.40/x
  3. Step 3: Cross multiply
    134,440.97x = 201,661.52 × 55,468.40
  4. Step 4: Simplify right side
    134,440.97x = 11,185,840,570.32
  5. Step 5: Solve for x
    x = 11,185,840,570.32/134,440.97
  6. Step 6: Final answer
    x = 83,202.62

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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.