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Finding the Fourth Proportional to 161,862.64, 223,372.48 and 93,882.48

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Solution

The fourth proportional to 161,862.64, 223,372.48 and 93,882.48 is: 129,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,862.64 : 223,372.48 = 93,882.48 : x
  2. Step 2: Convert to fraction form
    161,862.64/223,372.48 = 93,882.48/x
  3. Step 3: Cross multiply
    161,862.64x = 223,372.48 × 93,882.48
  4. Step 4: Simplify right side
    161,862.64x = 20,970,762,386.15
  5. Step 5: Solve for x
    x = 20,970,762,386.15/161,862.64
  6. Step 6: Final answer
    x = 129,559.00

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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.