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Finding the Fourth Proportional to 86,496.63, 129,750.41 and 36,567.42

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Solution

The fourth proportional to 86,496.63, 129,750.41 and 36,567.42 is: 54,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,496.63 : 129,750.41 = 36,567.42 : x
  2. Step 2: Convert to fraction form
    86,496.63/129,750.41 = 36,567.42/x
  3. Step 3: Cross multiply
    86,496.63x = 129,750.41 × 36,567.42
  4. Step 4: Simplify right side
    86,496.63x = 4,744,637,554.81
  5. Step 5: Solve for x
    x = 4,744,637,554.81/86,496.63
  6. Step 6: Final answer
    x = 54,853.44

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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.