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Finding the Fourth Proportional to 153,171.44, 229,869.52 and 100,562.48

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Solution

The fourth proportional to 153,171.44, 229,869.52 and 100,562.48 is: 150,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,171.44 : 229,869.52 = 100,562.48 : x
  2. Step 2: Convert to fraction form
    153,171.44/229,869.52 = 100,562.48/x
  3. Step 3: Cross multiply
    153,171.44x = 229,869.52 × 100,562.48
  4. Step 4: Simplify right side
    153,171.44x = 23,116,249,007.61
  5. Step 5: Solve for x
    x = 23,116,249,007.61/153,171.44
  6. Step 6: Final answer
    x = 150,917.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.