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Finding the Fourth Proportional to 161,607.56, 223,025.01 and 89,983.04

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Solution

The fourth proportional to 161,607.56, 223,025.01 and 89,983.04 is: 124,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607.56 : 223,025.01 = 89,983.04 : x
  2. Step 2: Convert to fraction form
    161,607.56/223,025.01 = 89,983.04/x
  3. Step 3: Cross multiply
    161,607.56x = 223,025.01 × 89,983.04
  4. Step 4: Simplify right side
    161,607.56x = 20,068,468,395.83
  5. Step 5: Solve for x
    x = 20,068,468,395.83/161,607.56
  6. Step 6: Final answer
    x = 124,180.26

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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.