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Finding the Fourth Proportional to 228,414.80, 342,622.20 and 102,006.20

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Solution

The fourth proportional to 228,414.80, 342,622.20 and 102,006.20 is: 153,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,414.80 : 342,622.20 = 102,006.20 : x
  2. Step 2: Convert to fraction form
    228,414.80/342,622.20 = 102,006.20/x
  3. Step 3: Cross multiply
    228,414.80x = 342,622.20 × 102,006.20
  4. Step 4: Simplify right side
    228,414.80x = 34,949,588,657.64
  5. Step 5: Solve for x
    x = 34,949,588,657.64/228,414.80
  6. Step 6: Final answer
    x = 153,009.30

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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.