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Finding the Fourth Proportional to 161,607.52, 223,016.24 and 89,009.01

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Solution

The fourth proportional to 161,607.52, 223,016.24 and 89,009.01 is: 122,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607.52 : 223,016.24 = 89,009.01 : x
  2. Step 2: Convert to fraction form
    161,607.52/223,016.24 = 89,009.01/x
  3. Step 3: Cross multiply
    161,607.52x = 223,016.24 × 89,009.01
  4. Step 4: Simplify right side
    161,607.52x = 19,850,454,958.84
  5. Step 5: Solve for x
    x = 19,850,454,958.84/161,607.52
  6. Step 6: Final answer
    x = 122,831.26

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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.