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Finding the Fourth Proportional to 294,090.68, 405,735.18 and 173,158.04

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Solution

The fourth proportional to 294,090.68, 405,735.18 and 173,158.04 is: 238,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,090.68 : 405,735.18 = 173,158.04 : x
  2. Step 2: Convert to fraction form
    294,090.68/405,735.18 = 173,158.04/x
  3. Step 3: Cross multiply
    294,090.68x = 405,735.18 × 173,158.04
  4. Step 4: Simplify right side
    294,090.68x = 70,256,308,527.85
  5. Step 5: Solve for x
    x = 70,256,308,527.85/294,090.68
  6. Step 6: Final answer
    x = 238,893.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.