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Finding the Fourth Proportional to 93,968.64, 140,952.96 and 41,378.40

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Solution

The fourth proportional to 93,968.64, 140,952.96 and 41,378.40 is: 62,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,968.64 : 140,952.96 = 41,378.40 : x
  2. Step 2: Convert to fraction form
    93,968.64/140,952.96 = 41,378.40/x
  3. Step 3: Cross multiply
    93,968.64x = 140,952.96 × 41,378.40
  4. Step 4: Simplify right side
    93,968.64x = 5,832,407,960.06
  5. Step 5: Solve for x
    x = 5,832,407,960.06/93,968.64
  6. Step 6: Final answer
    x = 62,067.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.