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Finding the Fourth Proportional to 70,160.85, 96,849.69 and 43,314.21

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Solution

The fourth proportional to 70,160.85, 96,849.69 and 43,314.21 is: 59,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.85 : 96,849.69 = 43,314.21 : x
  2. Step 2: Convert to fraction form
    70,160.85/96,849.69 = 43,314.21/x
  3. Step 3: Cross multiply
    70,160.85x = 96,849.69 × 43,314.21
  4. Step 4: Simplify right side
    70,160.85x = 4,194,967,811.09
  5. Step 5: Solve for x
    x = 4,194,967,811.09/70,160.85
  6. Step 6: Final answer
    x = 59,790.72

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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.