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Finding the Fourth Proportional to 252,604.01, 348,593.32 and 139,426.49

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Solution

The fourth proportional to 252,604.01, 348,593.32 and 139,426.49 is: 192,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,604.01 : 348,593.32 = 139,426.49 : x
  2. Step 2: Convert to fraction form
    252,604.01/348,593.32 = 139,426.49/x
  3. Step 3: Cross multiply
    252,604.01x = 348,593.32 × 139,426.49
  4. Step 4: Simplify right side
    252,604.01x = 48,603,144,090.81
  5. Step 5: Solve for x
    x = 48,603,144,090.81/252,604.01
  6. Step 6: Final answer
    x = 192,408.44

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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.