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Finding the Fourth Proportional to 163,090.80, 244,636.20 and 135,442.80

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Solution

The fourth proportional to 163,090.80, 244,636.20 and 135,442.80 is: 203,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,090.80 : 244,636.20 = 135,442.80 : x
  2. Step 2: Convert to fraction form
    163,090.80/244,636.20 = 135,442.80/x
  3. Step 3: Cross multiply
    163,090.80x = 244,636.20 × 135,442.80
  4. Step 4: Simplify right side
    163,090.80x = 33,134,211,909.36
  5. Step 5: Solve for x
    x = 33,134,211,909.36/163,090.80
  6. Step 6: Final answer
    x = 203,164.20

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1.5x scale

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.