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Finding the Fourth Proportional to 87,266.70, 130,912.20 and 37,346.40

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Solution

The fourth proportional to 87,266.70, 130,912.20 and 37,346.40 is: 56,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.70 : 130,912.20 = 37,346.40 : x
  2. Step 2: Convert to fraction form
    87,266.70/130,912.20 = 37,346.40/x
  3. Step 3: Cross multiply
    87,266.70x = 130,912.20 × 37,346.40
  4. Step 4: Simplify right side
    87,266.70x = 4,889,099,386.08
  5. Step 5: Solve for x
    x = 4,889,099,386.08/87,266.70
  6. Step 6: Final answer
    x = 56,024.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.