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Finding the Fourth Proportional to 104,410.60, 156,615.90 and 100,328.20

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Solution

The fourth proportional to 104,410.60, 156,615.90 and 100,328.20 is: 150,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,410.60 : 156,615.90 = 100,328.20 : x
  2. Step 2: Convert to fraction form
    104,410.60/156,615.90 = 100,328.20/x
  3. Step 3: Cross multiply
    104,410.60x = 156,615.90 × 100,328.20
  4. Step 4: Simplify right side
    104,410.60x = 15,712,991,338.38
  5. Step 5: Solve for x
    x = 15,712,991,338.38/104,410.60
  6. Step 6: Final answer
    x = 150,492.30

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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.