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Finding the Fourth Proportional to 93,241.44, 128,720.84 and 63,185.56

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Solution

The fourth proportional to 93,241.44, 128,720.84 and 63,185.56 is: 87,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,241.44 : 128,720.84 = 63,185.56 : x
  2. Step 2: Convert to fraction form
    93,241.44/128,720.84 = 63,185.56/x
  3. Step 3: Cross multiply
    93,241.44x = 128,720.84 × 63,185.56
  4. Step 4: Simplify right side
    93,241.44x = 8,133,298,359.07
  5. Step 5: Solve for x
    x = 8,133,298,359.07/93,241.44
  6. Step 6: Final answer
    x = 87,228.36

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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.