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Finding the Fourth Proportional to 161,652.29, 223,097.60 and 89,062.60

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Solution

The fourth proportional to 161,652.29, 223,097.60 and 89,062.60 is: 122,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,652.29 : 223,097.60 = 89,062.60 : x
  2. Step 2: Convert to fraction form
    161,652.29/223,097.60 = 89,062.60/x
  3. Step 3: Cross multiply
    161,652.29x = 223,097.60 × 89,062.60
  4. Step 4: Simplify right side
    161,652.29x = 19,869,652,309.76
  5. Step 5: Solve for x
    x = 19,869,652,309.76/161,652.29
  6. Step 6: Final answer
    x = 122,916.00

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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.