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Finding the Fourth Proportional to 84,125.89, 116,095.12 and 45,885.45

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Solution

The fourth proportional to 84,125.89, 116,095.12 and 45,885.45 is: 63,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,125.89 : 116,095.12 = 45,885.45 : x
  2. Step 2: Convert to fraction form
    84,125.89/116,095.12 = 45,885.45/x
  3. Step 3: Cross multiply
    84,125.89x = 116,095.12 × 45,885.45
  4. Step 4: Simplify right side
    84,125.89x = 5,327,076,912.98
  5. Step 5: Solve for x
    x = 5,327,076,912.98/84,125.89
  6. Step 6: Final answer
    x = 63,322.68

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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.