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Finding the Fourth Proportional to 368,339.11, 552,453.99 and 102,071.86

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Solution

The fourth proportional to 368,339.11, 552,453.99 and 102,071.86 is: 153,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,339.11 : 552,453.99 = 102,071.86 : x
  2. Step 2: Convert to fraction form
    368,339.11/552,453.99 = 102,071.86/x
  3. Step 3: Cross multiply
    368,339.11x = 552,453.99 × 102,071.86
  4. Step 4: Simplify right side
    368,339.11x = 56,390,004,559.82
  5. Step 5: Solve for x
    x = 56,390,004,559.82/368,339.11
  6. Step 6: Final answer
    x = 153,092.64

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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.