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Finding the Fourth Proportional to 368,299.50, 552,447.66 and 102,059.26

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Solution

The fourth proportional to 368,299.50, 552,447.66 and 102,059.26 is: 153,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,299.50 : 552,447.66 = 102,059.26 : x
  2. Step 2: Convert to fraction form
    368,299.50/552,447.66 = 102,059.26/x
  3. Step 3: Cross multiply
    368,299.50x = 552,447.66 × 102,059.26
  4. Step 4: Simplify right side
    368,299.50x = 56,382,399,368.33
  5. Step 5: Solve for x
    x = 56,382,399,368.33/368,299.50
  6. Step 6: Final answer
    x = 153,088.45

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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.