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Finding the Fourth Proportional to 94,304.01, 130,141.13 and 54,021.30

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Solution

The fourth proportional to 94,304.01, 130,141.13 and 54,021.30 is: 74,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,304.01 : 130,141.13 = 54,021.30 : x
  2. Step 2: Convert to fraction form
    94,304.01/130,141.13 = 54,021.30/x
  3. Step 3: Cross multiply
    94,304.01x = 130,141.13 × 54,021.30
  4. Step 4: Simplify right side
    94,304.01x = 7,030,392,755.96
  5. Step 5: Solve for x
    x = 7,030,392,755.96/94,304.01
  6. Step 6: Final answer
    x = 74,550.31

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1.5x scale

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.