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Finding the Fourth Proportional to 104,636.30, 156,954.45 and 55,484.30

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Solution

The fourth proportional to 104,636.30, 156,954.45 and 55,484.30 is: 83,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.30 : 156,954.45 = 55,484.30 : x
  2. Step 2: Convert to fraction form
    104,636.30/156,954.45 = 55,484.30/x
  3. Step 3: Cross multiply
    104,636.30x = 156,954.45 × 55,484.30
  4. Step 4: Simplify right side
    104,636.30x = 8,708,507,790.14
  5. Step 5: Solve for x
    x = 8,708,507,790.14/104,636.30
  6. Step 6: Final answer
    x = 83,226.45

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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.