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Finding the Fourth Proportional to 252,592.94, 348,553.44 and 139,408.40

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Solution

The fourth proportional to 252,592.94, 348,553.44 and 139,408.40 is: 192,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,592.94 : 348,553.44 = 139,408.40 : x
  2. Step 2: Convert to fraction form
    252,592.94/348,553.44 = 139,408.40/x
  3. Step 3: Cross multiply
    252,592.94x = 348,553.44 × 139,408.40
  4. Step 4: Simplify right side
    252,592.94x = 48,591,277,384.90
  5. Step 5: Solve for x
    x = 48,591,277,384.90/252,592.94
  6. Step 6: Final answer
    x = 192,369.90

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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.