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Finding the Fourth Proportional to 94,644.94, 130,609.76 and 54,361.32

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Solution

The fourth proportional to 94,644.94, 130,609.76 and 54,361.32 is: 75,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,644.94 : 130,609.76 = 54,361.32 : x
  2. Step 2: Convert to fraction form
    94,644.94/130,609.76 = 54,361.32/x
  3. Step 3: Cross multiply
    94,644.94x = 130,609.76 × 54,361.32
  4. Step 4: Simplify right side
    94,644.94x = 7,100,118,958.48
  5. Step 5: Solve for x
    x = 7,100,118,958.48/94,644.94
  6. Step 6: Final answer
    x = 75,018.47

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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.