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Finding the Fourth Proportional to 86,205.92, 118,926.48 and 52,652

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Solution

The fourth proportional to 86,205.92, 118,926.48 and 52,652 is: 72,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,205.92 : 118,926.48 = 52,652 : x
  2. Step 2: Convert to fraction form
    86,205.92/118,926.48 = 52,652/x
  3. Step 3: Cross multiply
    86,205.92x = 118,926.48 × 52,652
  4. Step 4: Simplify right side
    86,205.92x = 6,261,717,024.96
  5. Step 5: Solve for x
    x = 6,261,717,024.96/86,205.92
  6. Step 6: Final answer
    x = 72,636.74

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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.