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Finding the Fourth Proportional to 93,383.08, 128,874.74 and 53,100.59

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Solution

The fourth proportional to 93,383.08, 128,874.74 and 53,100.59 is: 73,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,383.08 : 128,874.74 = 53,100.59 : x
  2. Step 2: Convert to fraction form
    93,383.08/128,874.74 = 53,100.59/x
  3. Step 3: Cross multiply
    93,383.08x = 128,874.74 × 53,100.59
  4. Step 4: Simplify right side
    93,383.08x = 6,843,324,730.10
  5. Step 5: Solve for x
    x = 6,843,324,730.10/93,383.08
  6. Step 6: Final answer
    x = 73,282.28

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1.5x scale

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.