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Finding the Fourth Proportional to 243,604.34, 365,090.49 and 108,476.13

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Solution

The fourth proportional to 243,604.34, 365,090.49 and 108,476.13 is: 162,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,604.34 : 365,090.49 = 108,476.13 : x
  2. Step 2: Convert to fraction form
    243,604.34/365,090.49 = 108,476.13/x
  3. Step 3: Cross multiply
    243,604.34x = 365,090.49 × 108,476.13
  4. Step 4: Simplify right side
    243,604.34x = 39,603,604,102.37
  5. Step 5: Solve for x
    x = 39,603,604,102.37/243,604.34
  6. Step 6: Final answer
    x = 162,573.47

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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.