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Finding the Fourth Proportional to 368,554.75, 552,835.19 and 102,336.03

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Solution

The fourth proportional to 368,554.75, 552,835.19 and 102,336.03 is: 153,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,554.75 : 552,835.19 = 102,336.03 : x
  2. Step 2: Convert to fraction form
    368,554.75/552,835.19 = 102,336.03/x
  3. Step 3: Cross multiply
    368,554.75x = 552,835.19 × 102,336.03
  4. Step 4: Simplify right side
    368,554.75x = 56,574,958,844.74
  5. Step 5: Solve for x
    x = 56,574,958,844.74/368,554.75
  6. Step 6: Final answer
    x = 153,504.90

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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.