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Finding the Fourth Proportional to 61,412.69, 92,168.69 and 31,838.99

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Solution

The fourth proportional to 61,412.69, 92,168.69 and 31,838.99 is: 47,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,412.69 : 92,168.69 = 31,838.99 : x
  2. Step 2: Convert to fraction form
    61,412.69/92,168.69 = 31,838.99/x
  3. Step 3: Cross multiply
    61,412.69x = 92,168.69 × 31,838.99
  4. Step 4: Simplify right side
    61,412.69x = 2,934,557,379.18
  5. Step 5: Solve for x
    x = 2,934,557,379.18/61,412.69
  6. Step 6: Final answer
    x = 47,784.22

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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.