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Finding the Fourth Proportional to 117,248.37, 161,803.31 and 63,533.48

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Solution

The fourth proportional to 117,248.37, 161,803.31 and 63,533.48 is: 87,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,248.37 : 161,803.31 = 63,533.48 : x
  2. Step 2: Convert to fraction form
    117,248.37/161,803.31 = 63,533.48/x
  3. Step 3: Cross multiply
    117,248.37x = 161,803.31 × 63,533.48
  4. Step 4: Simplify right side
    117,248.37x = 10,279,926,233.13
  5. Step 5: Solve for x
    x = 10,279,926,233.13/117,248.37
  6. Step 6: Final answer
    x = 87,676.50

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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.