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Finding the Fourth Proportional to 123,814.99, 185,556.16 and 67,570.84

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Solution

The fourth proportional to 123,814.99, 185,556.16 and 67,570.84 is: 101,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,814.99 : 185,556.16 = 67,570.84 : x
  2. Step 2: Convert to fraction form
    123,814.99/185,556.16 = 67,570.84/x
  3. Step 3: Cross multiply
    123,814.99x = 185,556.16 × 67,570.84
  4. Step 4: Simplify right side
    123,814.99x = 12,538,185,598.37
  5. Step 5: Solve for x
    x = 12,538,185,598.37/123,814.99
  6. Step 6: Final answer
    x = 101,265.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.