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Finding the Fourth Proportional to 100,562.64, 150,907.48 and 56,218.48

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Solution

The fourth proportional to 100,562.64, 150,907.48 and 56,218.48 is: 84,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,562.64 : 150,907.48 = 56,218.48 : x
  2. Step 2: Convert to fraction form
    100,562.64/150,907.48 = 56,218.48/x
  3. Step 3: Cross multiply
    100,562.64x = 150,907.48 × 56,218.48
  4. Step 4: Simplify right side
    100,562.64x = 8,483,789,146.23
  5. Step 5: Solve for x
    x = 8,483,789,146.23/100,562.64
  6. Step 6: Final answer
    x = 84,363.23

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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.