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Finding the Fourth Proportional to 70,807.48, 106,253.34 and 35,750.68

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Solution

The fourth proportional to 70,807.48, 106,253.34 and 35,750.68 is: 53,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807.48 : 106,253.34 = 35,750.68 : x
  2. Step 2: Convert to fraction form
    70,807.48/106,253.34 = 35,750.68/x
  3. Step 3: Cross multiply
    70,807.48x = 106,253.34 × 35,750.68
  4. Step 4: Simplify right side
    70,807.48x = 3,798,629,157.27
  5. Step 5: Solve for x
    x = 3,798,629,157.27/70,807.48
  6. Step 6: Final answer
    x = 53,647.29

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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.