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Finding the Fourth Proportional to 94,893.82, 130,949.56 and 54,609.01

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Solution

The fourth proportional to 94,893.82, 130,949.56 and 54,609.01 is: 75,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,893.82 : 130,949.56 = 54,609.01 : x
  2. Step 2: Convert to fraction form
    94,893.82/130,949.56 = 54,609.01/x
  3. Step 3: Cross multiply
    94,893.82x = 130,949.56 × 54,609.01
  4. Step 4: Simplify right side
    94,893.82x = 7,151,025,831.54
  5. Step 5: Solve for x
    x = 7,151,025,831.54/94,893.82
  6. Step 6: Final answer
    x = 75,358.18

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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.