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Finding the Fourth Proportional to 94,304.64, 130,141.99 and 54,021.92

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Solution

The fourth proportional to 94,304.64, 130,141.99 and 54,021.92 is: 74,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,304.64 : 130,141.99 = 54,021.92 : x
  2. Step 2: Convert to fraction form
    94,304.64/130,141.99 = 54,021.92/x
  3. Step 3: Cross multiply
    94,304.64x = 130,141.99 × 54,021.92
  4. Step 4: Simplify right side
    94,304.64x = 7,030,519,576.96
  5. Step 5: Solve for x
    x = 7,030,519,576.96/94,304.64
  6. Step 6: Final answer
    x = 74,551.15

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Why These Related Problems?

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