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Finding the Fourth Proportional to 93,208.59, 128,628 and 50,767.29

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Solution

The fourth proportional to 93,208.59, 128,628 and 50,767.29 is: 70,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,208.59 : 128,628 = 50,767.29 : x
  2. Step 2: Convert to fraction form
    93,208.59/128,628 = 50,767.29/x
  3. Step 3: Cross multiply
    93,208.59x = 128,628 × 50,767.29
  4. Step 4: Simplify right side
    93,208.59x = 6,530,094,978.12
  5. Step 5: Solve for x
    x = 6,530,094,978.12/93,208.59
  6. Step 6: Final answer
    x = 70,058.94

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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.