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Finding the Fourth Proportional to 86,599.62, 129,907.71 and 24,269.94

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Solution

The fourth proportional to 86,599.62, 129,907.71 and 24,269.94 is: 36,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,599.62 : 129,907.71 = 24,269.94 : x
  2. Step 2: Convert to fraction form
    86,599.62/129,907.71 = 24,269.94/x
  3. Step 3: Cross multiply
    86,599.62x = 129,907.71 × 24,269.94
  4. Step 4: Simplify right side
    86,599.62x = 3,152,852,327.24
  5. Step 5: Solve for x
    x = 3,152,852,327.24/86,599.62
  6. Step 6: Final answer
    x = 36,407.23

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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.