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Finding the Fourth Proportional to 200,762.69, 301,188.58 and 60,511.19

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Solution

The fourth proportional to 200,762.69, 301,188.58 and 60,511.19 is: 90,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,762.69 : 301,188.58 = 60,511.19 : x
  2. Step 2: Convert to fraction form
    200,762.69/301,188.58 = 60,511.19/x
  3. Step 3: Cross multiply
    200,762.69x = 301,188.58 × 60,511.19
  4. Step 4: Simplify right side
    200,762.69x = 18,225,277,732.99
  5. Step 5: Solve for x
    x = 18,225,277,732.99/200,762.69
  6. Step 6: Final answer
    x = 90,780.21

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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.