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Finding the Fourth Proportional to 105,033.56, 157,550.08 and 45,023.12

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Solution

The fourth proportional to 105,033.56, 157,550.08 and 45,023.12 is: 67,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,033.56 : 157,550.08 = 45,023.12 : x
  2. Step 2: Convert to fraction form
    105,033.56/157,550.08 = 45,023.12/x
  3. Step 3: Cross multiply
    105,033.56x = 157,550.08 × 45,023.12
  4. Step 4: Simplify right side
    105,033.56x = 7,093,396,818.99
  5. Step 5: Solve for x
    x = 7,093,396,818.99/105,033.56
  6. Step 6: Final answer
    x = 67,534.57

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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.