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Finding the Fourth Proportional to 83,466.93, 115,184.40 and 45,740.37

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Solution

The fourth proportional to 83,466.93, 115,184.40 and 45,740.37 is: 63,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,466.93 : 115,184.40 = 45,740.37 : x
  2. Step 2: Convert to fraction form
    83,466.93/115,184.40 = 45,740.37/x
  3. Step 3: Cross multiply
    83,466.93x = 115,184.40 × 45,740.37
  4. Step 4: Simplify right side
    83,466.93x = 5,268,577,074.23
  5. Step 5: Solve for x
    x = 5,268,577,074.23/83,466.93
  6. Step 6: Final answer
    x = 63,121.73

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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.