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Finding the Fourth Proportional to 368,089.39, 552,141.00 and 115,364.28

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Solution

The fourth proportional to 368,089.39, 552,141.00 and 115,364.28 is: 173,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,089.39 : 552,141.00 = 115,364.28 : x
  2. Step 2: Convert to fraction form
    368,089.39/552,141.00 = 115,364.28/x
  3. Step 3: Cross multiply
    368,089.39x = 552,141.00 × 115,364.28
  4. Step 4: Simplify right side
    368,089.39x = 63,697,347,563.75
  5. Step 5: Solve for x
    x = 63,697,347,563.75/368,089.39
  6. Step 6: Final answer
    x = 173,048.59

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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.