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Finding the Fourth Proportional to 93,768.64, 129,397.50 and 53,495.44

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Solution

The fourth proportional to 93,768.64, 129,397.50 and 53,495.44 is: 73,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.64 : 129,397.50 = 53,495.44 : x
  2. Step 2: Convert to fraction form
    93,768.64/129,397.50 = 53,495.44/x
  3. Step 3: Cross multiply
    93,768.64x = 129,397.50 × 53,495.44
  4. Step 4: Simplify right side
    93,768.64x = 6,922,175,873.91
  5. Step 5: Solve for x
    x = 6,922,175,873.91/93,768.64
  6. Step 6: Final answer
    x = 73,821.87

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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.