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Finding the Fourth Proportional to 163,098.20, 244,355.70 and 139,770.20

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Solution

The fourth proportional to 163,098.20, 244,355.70 and 139,770.20 is: 209,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,098.20 : 244,355.70 = 139,770.20 : x
  2. Step 2: Convert to fraction form
    163,098.20/244,355.70 = 139,770.20/x
  3. Step 3: Cross multiply
    163,098.20x = 244,355.70 × 139,770.20
  4. Step 4: Simplify right side
    163,098.20x = 34,153,645,060.14
  5. Step 5: Solve for x
    x = 34,153,645,060.14/163,098.20
  6. Step 6: Final answer
    x = 209,405.41

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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.