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Finding the Fourth Proportional to 70,219.51, 96,895.97 and 40,003.04

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Solution

The fourth proportional to 70,219.51, 96,895.97 and 40,003.04 is: 55,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,219.51 : 96,895.97 = 40,003.04 : x
  2. Step 2: Convert to fraction form
    70,219.51/96,895.97 = 40,003.04/x
  3. Step 3: Cross multiply
    70,219.51x = 96,895.97 × 40,003.04
  4. Step 4: Simplify right side
    70,219.51x = 3,876,133,363.75
  5. Step 5: Solve for x
    x = 3,876,133,363.75/70,219.51
  6. Step 6: Final answer
    x = 55,200.23

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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.