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Finding the Fourth Proportional to 161,544.64, 222,927.88 and 101,148.58

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Solution

The fourth proportional to 161,544.64, 222,927.88 and 101,148.58 is: 139,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,544.64 : 222,927.88 = 101,148.58 : x
  2. Step 2: Convert to fraction form
    161,544.64/222,927.88 = 101,148.58/x
  3. Step 3: Cross multiply
    161,544.64x = 222,927.88 × 101,148.58
  4. Step 4: Simplify right side
    161,544.64x = 22,548,838,504.41
  5. Step 5: Solve for x
    x = 22,548,838,504.41/161,544.64
  6. Step 6: Final answer
    x = 139,582.71

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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.