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Finding the Fourth Proportional to 70,502.50, 97,297.29 and 40,704.10

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Solution

The fourth proportional to 70,502.50, 97,297.29 and 40,704.10 is: 56,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,502.50 : 97,297.29 = 40,704.10 : x
  2. Step 2: Convert to fraction form
    70,502.50/97,297.29 = 40,704.10/x
  3. Step 3: Cross multiply
    70,502.50x = 97,297.29 × 40,704.10
  4. Step 4: Simplify right side
    70,502.50x = 3,960,398,621.89
  5. Step 5: Solve for x
    x = 3,960,398,621.89/70,502.50
  6. Step 6: Final answer
    x = 56,173.87

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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.