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Finding the Fourth Proportional to 134,659.66, 201,991.24 and 64,522.56

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Solution

The fourth proportional to 134,659.66, 201,991.24 and 64,522.56 is: 96,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,659.66 : 201,991.24 = 64,522.56 : x
  2. Step 2: Convert to fraction form
    134,659.66/201,991.24 = 64,522.56/x
  3. Step 3: Cross multiply
    134,659.66x = 201,991.24 × 64,522.56
  4. Step 4: Simplify right side
    134,659.66x = 13,032,991,902.37
  5. Step 5: Solve for x
    x = 13,032,991,902.37/134,659.66
  6. Step 6: Final answer
    x = 96,784.68

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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.