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Finding the Fourth Proportional to 368,560.79, 552,844.23 and 102,342.03

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Solution

The fourth proportional to 368,560.79, 552,844.23 and 102,342.03 is: 153,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,560.79 : 552,844.23 = 102,342.03 : x
  2. Step 2: Convert to fraction form
    368,560.79/552,844.23 = 102,342.03/x
  3. Step 3: Cross multiply
    368,560.79x = 552,844.23 × 102,342.03
  4. Step 4: Simplify right side
    368,560.79x = 56,579,200,771.99
  5. Step 5: Solve for x
    x = 56,579,200,771.99/368,560.79
  6. Step 6: Final answer
    x = 153,513.89

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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.