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Finding the Fourth Proportional to 93,244, 128,676.72 and 50,802.52

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Solution

The fourth proportional to 93,244, 128,676.72 and 50,802.52 is: 70,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,244 : 128,676.72 = 50,802.52 : x
  2. Step 2: Convert to fraction form
    93,244/128,676.72 = 50,802.52/x
  3. Step 3: Cross multiply
    93,244x = 128,676.72 × 50,802.52
  4. Step 4: Simplify right side
    93,244x = 6,537,101,641.33
  5. Step 5: Solve for x
    x = 6,537,101,641.33/93,244
  6. Step 6: Final answer
    x = 70,107.48

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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.