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Finding the Fourth Proportional to 93,558, 129,112.77 and 51,119.27

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Solution

The fourth proportional to 93,558, 129,112.77 and 51,119.27 is: 70,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,558 : 129,112.77 = 51,119.27 : x
  2. Step 2: Convert to fraction form
    93,558/129,112.77 = 51,119.27/x
  3. Step 3: Cross multiply
    93,558x = 129,112.77 × 51,119.27
  4. Step 4: Simplify right side
    93,558x = 6,600,149,904.51
  5. Step 5: Solve for x
    x = 6,600,149,904.51/93,558
  6. Step 6: Final answer
    x = 70,546.08

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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.