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Finding the Fourth Proportional to 93,404.82, 128,898.63 and 50,963.52

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Solution

The fourth proportional to 93,404.82, 128,898.63 and 50,963.52 is: 70,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,404.82 : 128,898.63 = 50,963.52 : x
  2. Step 2: Convert to fraction form
    93,404.82/128,898.63 = 50,963.52/x
  3. Step 3: Cross multiply
    93,404.82x = 128,898.63 × 50,963.52
  4. Step 4: Simplify right side
    93,404.82x = 6,569,127,907.98
  5. Step 5: Solve for x
    x = 6,569,127,907.98/93,404.82
  6. Step 6: Final answer
    x = 70,329.65

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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.