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Finding the Fourth Proportional to 335,687.60, 503,531.40 and 114,071.60

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Solution

The fourth proportional to 335,687.60, 503,531.40 and 114,071.60 is: 171,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,687.60 : 503,531.40 = 114,071.60 : x
  2. Step 2: Convert to fraction form
    335,687.60/503,531.40 = 114,071.60/x
  3. Step 3: Cross multiply
    335,687.60x = 503,531.40 × 114,071.60
  4. Step 4: Simplify right side
    335,687.60x = 57,438,632,448.24
  5. Step 5: Solve for x
    x = 57,438,632,448.24/335,687.60
  6. Step 6: Final answer
    x = 171,107.40

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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.