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Finding the Fourth Proportional to 252,647.36, 348,644.22 and 139,467.68

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Solution

The fourth proportional to 252,647.36, 348,644.22 and 139,467.68 is: 192,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,647.36 : 348,644.22 = 139,467.68 : x
  2. Step 2: Convert to fraction form
    252,647.36/348,644.22 = 139,467.68/x
  3. Step 3: Cross multiply
    252,647.36x = 348,644.22 × 139,467.68
  4. Step 4: Simplify right side
    252,647.36x = 48,624,600,508.81
  5. Step 5: Solve for x
    x = 48,624,600,508.81/252,647.36
  6. Step 6: Final answer
    x = 192,460.35

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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.