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Finding the Fourth Proportional to 147,395.60, 221,093.40 and 58,649.87

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Solution

The fourth proportional to 147,395.60, 221,093.40 and 58,649.87 is: 87,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.60 : 221,093.40 = 58,649.87 : x
  2. Step 2: Convert to fraction form
    147,395.60/221,093.40 = 58,649.87/x
  3. Step 3: Cross multiply
    147,395.60x = 221,093.40 × 58,649.87
  4. Step 4: Simplify right side
    147,395.60x = 12,967,099,610.62
  5. Step 5: Solve for x
    x = 12,967,099,610.62/147,395.60
  6. Step 6: Final answer
    x = 87,974.81

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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.