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Finding the Fourth Proportional to 95,344.40, 142,970.52 and 55,914.32

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Solution

The fourth proportional to 95,344.40, 142,970.52 and 55,914.32 is: 83,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,344.40 : 142,970.52 = 55,914.32 : x
  2. Step 2: Convert to fraction form
    95,344.40/142,970.52 = 55,914.32/x
  3. Step 3: Cross multiply
    95,344.40x = 142,970.52 × 55,914.32
  4. Step 4: Simplify right side
    95,344.40x = 7,994,099,405.85
  5. Step 5: Solve for x
    x = 7,994,099,405.85/95,344.40
  6. Step 6: Final answer
    x = 83,844.46

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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.