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Finding the Fourth Proportional to 163,711.13, 225,851.48 and 93,823.41

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Solution

The fourth proportional to 163,711.13, 225,851.48 and 93,823.41 is: 129,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,711.13 : 225,851.48 = 93,823.41 : x
  2. Step 2: Convert to fraction form
    163,711.13/225,851.48 = 93,823.41/x
  3. Step 3: Cross multiply
    163,711.13x = 225,851.48 × 93,823.41
  4. Step 4: Simplify right side
    163,711.13x = 21,190,155,538.03
  5. Step 5: Solve for x
    x = 21,190,155,538.03/163,711.13
  6. Step 6: Final answer
    x = 129,436.26

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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.