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Finding the Fourth Proportional to 368,259.58, 552,405.03 and 102,013.66

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Solution

The fourth proportional to 368,259.58, 552,405.03 and 102,013.66 is: 153,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,259.58 : 552,405.03 = 102,013.66 : x
  2. Step 2: Convert to fraction form
    368,259.58/552,405.03 = 102,013.66/x
  3. Step 3: Cross multiply
    368,259.58x = 552,405.03 × 102,013.66
  4. Step 4: Simplify right side
    368,259.58x = 56,352,858,912.71
  5. Step 5: Solve for x
    x = 56,352,858,912.71/368,259.58
  6. Step 6: Final answer
    x = 153,024.83

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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.