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Finding the Fourth Proportional to 183,288.64, 274,893.36 and 64,963.84

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Solution

The fourth proportional to 183,288.64, 274,893.36 and 64,963.84 is: 97,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,288.64 : 274,893.36 = 64,963.84 : x
  2. Step 2: Convert to fraction form
    183,288.64/274,893.36 = 64,963.84/x
  3. Step 3: Cross multiply
    183,288.64x = 274,893.36 × 64,963.84
  4. Step 4: Simplify right side
    183,288.64x = 17,858,128,256.10
  5. Step 5: Solve for x
    x = 17,858,128,256.10/183,288.64
  6. Step 6: Final answer
    x = 97,431.72

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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.