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Finding the Fourth Proportional to 137,593.73, 189,798.73 and 86,525.46

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Solution

The fourth proportional to 137,593.73, 189,798.73 and 86,525.46 is: 119,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,593.73 : 189,798.73 = 86,525.46 : x
  2. Step 2: Convert to fraction form
    137,593.73/189,798.73 = 86,525.46/x
  3. Step 3: Cross multiply
    137,593.73x = 189,798.73 × 86,525.46
  4. Step 4: Simplify right side
    137,593.73x = 16,422,422,204.35
  5. Step 5: Solve for x
    x = 16,422,422,204.35/137,593.73
  6. Step 6: Final answer
    x = 119,354.44

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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.