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Finding the Fourth Proportional to 368,039.50, 552,028.47 and 101,803.30

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Solution

The fourth proportional to 368,039.50, 552,028.47 and 101,803.30 is: 152,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,039.50 : 552,028.47 = 101,803.30 : x
  2. Step 2: Convert to fraction form
    368,039.50/552,028.47 = 101,803.30/x
  3. Step 3: Cross multiply
    368,039.50x = 552,028.47 × 101,803.30
  4. Step 4: Simplify right side
    368,039.50x = 56,198,319,939.95
  5. Step 5: Solve for x
    x = 56,198,319,939.95/368,039.50
  6. Step 6: Final answer
    x = 152,696.44

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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.