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Finding the Fourth Proportional to 86,573.80, 129,863.94 and 24,242.68

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Solution

The fourth proportional to 86,573.80, 129,863.94 and 24,242.68 is: 36,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,573.80 : 129,863.94 = 24,242.68 : x
  2. Step 2: Convert to fraction form
    86,573.80/129,863.94 = 24,242.68/x
  3. Step 3: Cross multiply
    86,573.80x = 129,863.94 × 24,242.68
  4. Step 4: Simplify right side
    86,573.80x = 3,148,249,940.96
  5. Step 5: Solve for x
    x = 3,148,249,940.96/86,573.80
  6. Step 6: Final answer
    x = 36,364.93

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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.