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Finding the Fourth Proportional to 164,881.74, 227,530.65 and 89,428.62

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Solution

The fourth proportional to 164,881.74, 227,530.65 and 89,428.62 is: 123,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,881.74 : 227,530.65 = 89,428.62 : x
  2. Step 2: Convert to fraction form
    164,881.74/227,530.65 = 89,428.62/x
  3. Step 3: Cross multiply
    164,881.74x = 227,530.65 × 89,428.62
  4. Step 4: Simplify right side
    164,881.74x = 20,347,752,037.20
  5. Step 5: Solve for x
    x = 20,347,752,037.20/164,881.74
  6. Step 6: Final answer
    x = 123,408.16

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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.