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Finding the Fourth Proportional to 163,673.80, 245,666.22 and 84,844.60

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Solution

The fourth proportional to 163,673.80, 245,666.22 and 84,844.60 is: 127,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,673.80 : 245,666.22 = 84,844.60 : x
  2. Step 2: Convert to fraction form
    163,673.80/245,666.22 = 84,844.60/x
  3. Step 3: Cross multiply
    163,673.80x = 245,666.22 × 84,844.60
  4. Step 4: Simplify right side
    163,673.80x = 20,843,452,169.41
  5. Step 5: Solve for x
    x = 20,843,452,169.41/163,673.80
  6. Step 6: Final answer
    x = 127,347.52

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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.