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Finding the Fourth Proportional to 104,476.32, 156,740.40 and 30,604.32

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Solution

The fourth proportional to 104,476.32, 156,740.40 and 30,604.32 is: 45,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,476.32 : 156,740.40 = 30,604.32 : x
  2. Step 2: Convert to fraction form
    104,476.32/156,740.40 = 30,604.32/x
  3. Step 3: Cross multiply
    104,476.32x = 156,740.40 × 30,604.32
  4. Step 4: Simplify right side
    104,476.32x = 4,796,933,358.53
  5. Step 5: Solve for x
    x = 4,796,933,358.53/104,476.32
  6. Step 6: Final answer
    x = 45,914.07

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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.