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Finding the Fourth Proportional to 70,174.70, 96,807.30 and 51,024.80

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Solution

The fourth proportional to 70,174.70, 96,807.30 and 51,024.80 is: 70,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.70 : 96,807.30 = 51,024.80 : x
  2. Step 2: Convert to fraction form
    70,174.70/96,807.30 = 51,024.80/x
  3. Step 3: Cross multiply
    70,174.70x = 96,807.30 × 51,024.80
  4. Step 4: Simplify right side
    70,174.70x = 4,939,573,121.04
  5. Step 5: Solve for x
    x = 4,939,573,121.04/70,174.70
  6. Step 6: Final answer
    x = 70,389.66

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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.