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Finding the Fourth Proportional to 76,232.94, 105,209.24 and 43,968.81

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Solution

The fourth proportional to 76,232.94, 105,209.24 and 43,968.81 is: 60,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,232.94 : 105,209.24 = 43,968.81 : x
  2. Step 2: Convert to fraction form
    76,232.94/105,209.24 = 43,968.81/x
  3. Step 3: Cross multiply
    76,232.94x = 105,209.24 × 43,968.81
  4. Step 4: Simplify right side
    76,232.94x = 4,625,924,863.96
  5. Step 5: Solve for x
    x = 4,625,924,863.96/76,232.94
  6. Step 6: Final answer
    x = 60,681.44

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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.