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Finding the Fourth Proportional to 104,006.80, 156,010.20 and 102,451.60

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Solution

The fourth proportional to 104,006.80, 156,010.20 and 102,451.60 is: 153,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.80 : 156,010.20 = 102,451.60 : x
  2. Step 2: Convert to fraction form
    104,006.80/156,010.20 = 102,451.60/x
  3. Step 3: Cross multiply
    104,006.80x = 156,010.20 × 102,451.60
  4. Step 4: Simplify right side
    104,006.80x = 15,983,494,606.32
  5. Step 5: Solve for x
    x = 15,983,494,606.32/104,006.80
  6. Step 6: Final answer
    x = 153,677.40

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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.