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Finding the Fourth Proportional to 162,897.40, 244,273.20 and 74,105.20

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Solution

The fourth proportional to 162,897.40, 244,273.20 and 74,105.20 is: 111,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,897.40 : 244,273.20 = 74,105.20 : x
  2. Step 2: Convert to fraction form
    162,897.40/244,273.20 = 74,105.20/x
  3. Step 3: Cross multiply
    162,897.40x = 244,273.20 × 74,105.20
  4. Step 4: Simplify right side
    162,897.40x = 18,101,914,340.64
  5. Step 5: Solve for x
    x = 18,101,914,340.64/162,897.40
  6. Step 6: Final answer
    x = 111,124.64

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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.