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Finding the Fourth Proportional to 104,073.75, 143,621.51 and 56,327.13

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Solution

The fourth proportional to 104,073.75, 143,621.51 and 56,327.13 is: 77,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073.75 : 143,621.51 = 56,327.13 : x
  2. Step 2: Convert to fraction form
    104,073.75/143,621.51 = 56,327.13/x
  3. Step 3: Cross multiply
    104,073.75x = 143,621.51 × 56,327.13
  4. Step 4: Simplify right side
    104,073.75x = 8,089,787,464.57
  5. Step 5: Solve for x
    x = 8,089,787,464.57/104,073.75
  6. Step 6: Final answer
    x = 77,731.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.