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Finding the Fourth Proportional to 56,086.44, 83,932.70 and 43,526.40

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Solution

The fourth proportional to 56,086.44, 83,932.70 and 43,526.40 is: 65,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086.44 : 83,932.70 = 43,526.40 : x
  2. Step 2: Convert to fraction form
    56,086.44/83,932.70 = 43,526.40/x
  3. Step 3: Cross multiply
    56,086.44x = 83,932.70 × 43,526.40
  4. Step 4: Simplify right side
    56,086.44x = 3,653,288,055.65
  5. Step 5: Solve for x
    x = 3,653,288,055.65/56,086.44
  6. Step 6: Final answer
    x = 65,136.74

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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.