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Finding the Fourth Proportional to 70,244.80, 96,964.32 and 41,940.16

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Solution

The fourth proportional to 70,244.80, 96,964.32 and 41,940.16 is: 57,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,244.80 : 96,964.32 = 41,940.16 : x
  2. Step 2: Convert to fraction form
    70,244.80/96,964.32 = 41,940.16/x
  3. Step 3: Cross multiply
    70,244.80x = 96,964.32 × 41,940.16
  4. Step 4: Simplify right side
    70,244.80x = 4,066,699,095.09
  5. Step 5: Solve for x
    x = 4,066,699,095.09/70,244.80
  6. Step 6: Final answer
    x = 57,893.24

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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.