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Finding the Fourth Proportional to 163,386.48, 244,851.60 and 88,344.80

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Solution

The fourth proportional to 163,386.48, 244,851.60 and 88,344.80 is: 132,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386.48 : 244,851.60 = 88,344.80 : x
  2. Step 2: Convert to fraction form
    163,386.48/244,851.60 = 88,344.80/x
  3. Step 3: Cross multiply
    163,386.48x = 244,851.60 × 88,344.80
  4. Step 4: Simplify right side
    163,386.48x = 21,631,365,631.68
  5. Step 5: Solve for x
    x = 21,631,365,631.68/163,386.48
  6. Step 6: Final answer
    x = 132,393.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.