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Finding the Fourth Proportional to 362,223.60, 543,311.10 and 95,978.40

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Solution

The fourth proportional to 362,223.60, 543,311.10 and 95,978.40 is: 143,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,223.60 : 543,311.10 = 95,978.40 : x
  2. Step 2: Convert to fraction form
    362,223.60/543,311.10 = 95,978.40/x
  3. Step 3: Cross multiply
    362,223.60x = 543,311.10 × 95,978.40
  4. Step 4: Simplify right side
    362,223.60x = 52,146,130,080.24
  5. Step 5: Solve for x
    x = 52,146,130,080.24/362,223.60
  6. Step 6: Final answer
    x = 143,961.16

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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.