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Finding the Fourth Proportional to 77,157.55, 115,744.63 and 24,554.73

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Solution

The fourth proportional to 77,157.55, 115,744.63 and 24,554.73 is: 36,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157.55 : 115,744.63 = 24,554.73 : x
  2. Step 2: Convert to fraction form
    77,157.55/115,744.63 = 24,554.73/x
  3. Step 3: Cross multiply
    77,157.55x = 115,744.63 × 24,554.73
  4. Step 4: Simplify right side
    77,157.55x = 2,842,078,138.60
  5. Step 5: Solve for x
    x = 2,842,078,138.60/77,157.55
  6. Step 6: Final answer
    x = 36,834.74

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1.5x scale

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.