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Finding the Fourth Proportional to 89,080.53, 122,946.98 and 53,274.48

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Solution

The fourth proportional to 89,080.53, 122,946.98 and 53,274.48 is: 73,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080.53 : 122,946.98 = 53,274.48 : x
  2. Step 2: Convert to fraction form
    89,080.53/122,946.98 = 53,274.48/x
  3. Step 3: Cross multiply
    89,080.53x = 122,946.98 × 53,274.48
  4. Step 4: Simplify right side
    89,080.53x = 6,549,936,160.70
  5. Step 5: Solve for x
    x = 6,549,936,160.70/89,080.53
  6. Step 6: Final answer
    x = 73,528.26

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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.