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Finding the Fourth Proportional to 93,366.55, 128,845.24 and 53,080.32

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Solution

The fourth proportional to 93,366.55, 128,845.24 and 53,080.32 is: 73,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,366.55 : 128,845.24 = 53,080.32 : x
  2. Step 2: Convert to fraction form
    93,366.55/128,845.24 = 53,080.32/x
  3. Step 3: Cross multiply
    93,366.55x = 128,845.24 × 53,080.32
  4. Step 4: Simplify right side
    93,366.55x = 6,839,146,569.68
  5. Step 5: Solve for x
    x = 6,839,146,569.68/93,366.55
  6. Step 6: Final answer
    x = 73,250.50

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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.