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Finding the Fourth Proportional to 93,118.98, 128,501.73 and 50,676.60

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Solution

The fourth proportional to 93,118.98, 128,501.73 and 50,676.60 is: 69,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118.98 : 128,501.73 = 50,676.60 : x
  2. Step 2: Convert to fraction form
    93,118.98/128,501.73 = 50,676.60/x
  3. Step 3: Cross multiply
    93,118.98x = 128,501.73 × 50,676.60
  4. Step 4: Simplify right side
    93,118.98x = 6,512,030,770.52
  5. Step 5: Solve for x
    x = 6,512,030,770.52/93,118.98
  6. Step 6: Final answer
    x = 69,932.37

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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.