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Finding the Fourth Proportional to 123,927.96, 171,051.68 and 70,245

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Solution

The fourth proportional to 123,927.96, 171,051.68 and 70,245 is: 96,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.96 : 171,051.68 = 70,245 : x
  2. Step 2: Convert to fraction form
    123,927.96/171,051.68 = 70,245/x
  3. Step 3: Cross multiply
    123,927.96x = 171,051.68 × 70,245
  4. Step 4: Simplify right side
    123,927.96x = 12,015,525,261.60
  5. Step 5: Solve for x
    x = 12,015,525,261.60/123,927.96
  6. Step 6: Final answer
    x = 96,955.73

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