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Finding the Fourth Proportional to 183,559.63, 253,316.16 and 102,992.98

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Solution

The fourth proportional to 183,559.63, 253,316.16 and 102,992.98 is: 142,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,559.63 : 253,316.16 = 102,992.98 : x
  2. Step 2: Convert to fraction form
    183,559.63/253,316.16 = 102,992.98/x
  3. Step 3: Cross multiply
    183,559.63x = 253,316.16 × 102,992.98
  4. Step 4: Simplify right side
    183,559.63x = 26,089,786,200.56
  5. Step 5: Solve for x
    x = 26,089,786,200.56/183,559.63
  6. Step 6: Final answer
    x = 142,132.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.