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Finding the Fourth Proportional to 163,260.30, 244,890.45 and 135,612.30

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Solution

The fourth proportional to 163,260.30, 244,890.45 and 135,612.30 is: 203,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,260.30 : 244,890.45 = 135,612.30 : x
  2. Step 2: Convert to fraction form
    163,260.30/244,890.45 = 135,612.30/x
  3. Step 3: Cross multiply
    163,260.30x = 244,890.45 × 135,612.30
  4. Step 4: Simplify right side
    163,260.30x = 33,210,157,172.54
  5. Step 5: Solve for x
    x = 33,210,157,172.54/163,260.30
  6. Step 6: Final answer
    x = 203,418.45

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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.