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Finding the Fourth Proportional to 70,444.02, 97,227.44 and 64,769.80

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Solution

The fourth proportional to 70,444.02, 97,227.44 and 64,769.80 is: 89,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,444.02 : 97,227.44 = 64,769.80 : x
  2. Step 2: Convert to fraction form
    70,444.02/97,227.44 = 64,769.80/x
  3. Step 3: Cross multiply
    70,444.02x = 97,227.44 × 64,769.80
  4. Step 4: Simplify right side
    70,444.02x = 6,297,401,276.39
  5. Step 5: Solve for x
    x = 6,297,401,276.39/70,444.02
  6. Step 6: Final answer
    x = 89,395.83

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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.