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Finding the Fourth Proportional to 86,193.52, 118,946.28 and 48,468.04

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Solution

The fourth proportional to 86,193.52, 118,946.28 and 48,468.04 is: 66,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193.52 : 118,946.28 = 48,468.04 : x
  2. Step 2: Convert to fraction form
    86,193.52/118,946.28 = 48,468.04/x
  3. Step 3: Cross multiply
    86,193.52x = 118,946.28 × 48,468.04
  4. Step 4: Simplify right side
    86,193.52x = 5,765,093,056.89
  5. Step 5: Solve for x
    x = 5,765,093,056.89/86,193.52
  6. Step 6: Final answer
    x = 66,885.46

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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.