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Finding the Fourth Proportional to 113,801.64, 170,703.10 and 43,664.04

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Solution

The fourth proportional to 113,801.64, 170,703.10 and 43,664.04 is: 65,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.64 : 170,703.10 = 43,664.04 : x
  2. Step 2: Convert to fraction form
    113,801.64/170,703.10 = 43,664.04/x
  3. Step 3: Cross multiply
    113,801.64x = 170,703.10 × 43,664.04
  4. Step 4: Simplify right side
    113,801.64x = 7,453,586,986.52
  5. Step 5: Solve for x
    x = 7,453,586,986.52/113,801.64
  6. Step 6: Final answer
    x = 65,496.31

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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.