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Finding the Fourth Proportional to 165,010.56, 227,719.80 and 93,389.28

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Solution

The fourth proportional to 165,010.56, 227,719.80 and 93,389.28 is: 128,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,010.56 : 227,719.80 = 93,389.28 : x
  2. Step 2: Convert to fraction form
    165,010.56/227,719.80 = 93,389.28/x
  3. Step 3: Cross multiply
    165,010.56x = 227,719.80 × 93,389.28
  4. Step 4: Simplify right side
    165,010.56x = 21,266,588,163.74
  5. Step 5: Solve for x
    x = 21,266,588,163.74/165,010.56
  6. Step 6: Final answer
    x = 128,880.16

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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.