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Finding the Fourth Proportional to 93,329.52, 128,791.53 and 53,042.58

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Solution

The fourth proportional to 93,329.52, 128,791.53 and 53,042.58 is: 73,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.52 : 128,791.53 = 53,042.58 : x
  2. Step 2: Convert to fraction form
    93,329.52/128,791.53 = 53,042.58/x
  3. Step 3: Cross multiply
    93,329.52x = 128,791.53 × 53,042.58
  4. Step 4: Simplify right side
    93,329.52x = 6,831,435,033.35
  5. Step 5: Solve for x
    x = 6,831,435,033.35/93,329.52
  6. Step 6: Final answer
    x = 73,196.94

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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.