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Finding the Fourth Proportional to 54,164, 81,245.28 and 14,182.88

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Solution

The fourth proportional to 54,164, 81,245.28 and 14,182.88 is: 21,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,164 : 81,245.28 = 14,182.88 : x
  2. Step 2: Convert to fraction form
    54,164/81,245.28 = 14,182.88/x
  3. Step 3: Cross multiply
    54,164x = 81,245.28 × 14,182.88
  4. Step 4: Simplify right side
    54,164x = 1,152,292,056.81
  5. Step 5: Solve for x
    x = 1,152,292,056.81/54,164
  6. Step 6: Final answer
    x = 21,274.13

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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.