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Finding the Fourth Proportional to 70,143.37, 96,832.77 and 43,300.68

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Solution

The fourth proportional to 70,143.37, 96,832.77 and 43,300.68 is: 59,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,143.37 : 96,832.77 = 43,300.68 : x
  2. Step 2: Convert to fraction form
    70,143.37/96,832.77 = 43,300.68/x
  3. Step 3: Cross multiply
    70,143.37x = 96,832.77 × 43,300.68
  4. Step 4: Simplify right side
    70,143.37x = 4,192,924,261.78
  5. Step 5: Solve for x
    x = 4,192,924,261.78/70,143.37
  6. Step 6: Final answer
    x = 59,776.49

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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.