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Finding the Fourth Proportional to 362,235.10, 543,328.35 and 95,989.90

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Solution

The fourth proportional to 362,235.10, 543,328.35 and 95,989.90 is: 143,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,235.10 : 543,328.35 = 95,989.90 : x
  2. Step 2: Convert to fraction form
    362,235.10/543,328.35 = 95,989.90/x
  3. Step 3: Cross multiply
    362,235.10x = 543,328.35 × 95,989.90
  4. Step 4: Simplify right side
    362,235.10x = 52,154,033,983.67
  5. Step 5: Solve for x
    x = 52,154,033,983.67/362,235.10
  6. Step 6: Final answer
    x = 143,978.41

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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.