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Finding the Fourth Proportional to 104,593.78, 144,340.55 and 56,847.14

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Solution

The fourth proportional to 104,593.78, 144,340.55 and 56,847.14 is: 78,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,593.78 : 144,340.55 = 56,847.14 : x
  2. Step 2: Convert to fraction form
    104,593.78/144,340.55 = 56,847.14/x
  3. Step 3: Cross multiply
    104,593.78x = 144,340.55 × 56,847.14
  4. Step 4: Simplify right side
    104,593.78x = 8,205,347,169.29
  5. Step 5: Solve for x
    x = 8,205,347,169.29/104,593.78
  6. Step 6: Final answer
    x = 78,449.67

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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.