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Finding the Fourth Proportional to 94,690.97, 130,669.16 and 54,376.37

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Solution

The fourth proportional to 94,690.97, 130,669.16 and 54,376.37 is: 75,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.97 : 130,669.16 = 54,376.37 : x
  2. Step 2: Convert to fraction form
    94,690.97/130,669.16 = 54,376.37/x
  3. Step 3: Cross multiply
    94,690.97x = 130,669.16 × 54,376.37
  4. Step 4: Simplify right side
    94,690.97x = 7,105,313,666.52
  5. Step 5: Solve for x
    x = 7,105,313,666.52/94,690.97
  6. Step 6: Final answer
    x = 75,036.87

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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.