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Finding the Fourth Proportional to 185,477.67, 278,029.53 and 73,114.37

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Solution

The fourth proportional to 185,477.67, 278,029.53 and 73,114.37 is: 109,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,477.67 : 278,029.53 = 73,114.37 : x
  2. Step 2: Convert to fraction form
    185,477.67/278,029.53 = 73,114.37/x
  3. Step 3: Cross multiply
    185,477.67x = 278,029.53 × 73,114.37
  4. Step 4: Simplify right side
    185,477.67x = 20,327,953,927.35
  5. Step 5: Solve for x
    x = 20,327,953,927.35/185,477.67
  6. Step 6: Final answer
    x = 109,597.85

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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.