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Finding the Fourth Proportional to 347,368.80, 521,004.60 and 110,735.40

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Solution

The fourth proportional to 347,368.80, 521,004.60 and 110,735.40 is: 166,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,368.80 : 521,004.60 = 110,735.40 : x
  2. Step 2: Convert to fraction form
    347,368.80/521,004.60 = 110,735.40/x
  3. Step 3: Cross multiply
    347,368.80x = 521,004.60 × 110,735.40
  4. Step 4: Simplify right side
    347,368.80x = 57,693,652,782.84
  5. Step 5: Solve for x
    x = 57,693,652,782.84/347,368.80
  6. Step 6: Final answer
    x = 166,087.61

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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.