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Finding the Fourth Proportional to 70,937.94, 97,894.37 and 40,725.23

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Solution

The fourth proportional to 70,937.94, 97,894.37 and 40,725.23 is: 56,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.94 : 97,894.37 = 40,725.23 : x
  2. Step 2: Convert to fraction form
    70,937.94/97,894.37 = 40,725.23/x
  3. Step 3: Cross multiply
    70,937.94x = 97,894.37 × 40,725.23
  4. Step 4: Simplify right side
    70,937.94x = 3,986,770,117.22
  5. Step 5: Solve for x
    x = 3,986,770,117.22/70,937.94
  6. Step 6: Final answer
    x = 56,200.81

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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.