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Finding the Fourth Proportional to 362,553.92, 543,908.70 and 152,070.56

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Solution

The fourth proportional to 362,553.92, 543,908.70 and 152,070.56 is: 228,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,553.92 : 543,908.70 = 152,070.56 : x
  2. Step 2: Convert to fraction form
    362,553.92/543,908.70 = 152,070.56/x
  3. Step 3: Cross multiply
    362,553.92x = 543,908.70 × 152,070.56
  4. Step 4: Simplify right side
    362,553.92x = 82,712,500,597.87
  5. Step 5: Solve for x
    x = 82,712,500,597.87/362,553.92
  6. Step 6: Final answer
    x = 228,138.48

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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.