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Finding the Fourth Proportional to 52,089.69, 78,135.69 and 36,063.44

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Solution

The fourth proportional to 52,089.69, 78,135.69 and 36,063.44 is: 54,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.69 : 78,135.69 = 36,063.44 : x
  2. Step 2: Convert to fraction form
    52,089.69/78,135.69 = 36,063.44/x
  3. Step 3: Cross multiply
    52,089.69x = 78,135.69 × 36,063.44
  4. Step 4: Simplify right side
    52,089.69x = 2,817,841,602.89
  5. Step 5: Solve for x
    x = 2,817,841,602.89/52,089.69
  6. Step 6: Final answer
    x = 54,095.95

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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.