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Finding the Fourth Proportional to 83,065.41, 114,630.26 and 45,339.66

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Solution

The fourth proportional to 83,065.41, 114,630.26 and 45,339.66 is: 62,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,065.41 : 114,630.26 = 45,339.66 : x
  2. Step 2: Convert to fraction form
    83,065.41/114,630.26 = 45,339.66/x
  3. Step 3: Cross multiply
    83,065.41x = 114,630.26 × 45,339.66
  4. Step 4: Simplify right side
    83,065.41x = 5,197,297,014.11
  5. Step 5: Solve for x
    x = 5,197,297,014.11/83,065.41
  6. Step 6: Final answer
    x = 62,568.73

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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.