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Finding the Fourth Proportional to 69,193.76, 95,482.08 and 40,893.92

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Solution

The fourth proportional to 69,193.76, 95,482.08 and 40,893.92 is: 56,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,193.76 : 95,482.08 = 40,893.92 : x
  2. Step 2: Convert to fraction form
    69,193.76/95,482.08 = 40,893.92/x
  3. Step 3: Cross multiply
    69,193.76x = 95,482.08 × 40,893.92
  4. Step 4: Simplify right side
    69,193.76x = 3,904,636,540.95
  5. Step 5: Solve for x
    x = 3,904,636,540.95/69,193.76
  6. Step 6: Final answer
    x = 56,430.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.