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Finding the Fourth Proportional to 104,592.24, 156,914.28 and 30,720.24

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Solution

The fourth proportional to 104,592.24, 156,914.28 and 30,720.24 is: 46,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,592.24 : 156,914.28 = 30,720.24 : x
  2. Step 2: Convert to fraction form
    104,592.24/156,914.28 = 30,720.24/x
  3. Step 3: Cross multiply
    104,592.24x = 156,914.28 × 30,720.24
  4. Step 4: Simplify right side
    104,592.24x = 4,820,444,341.03
  5. Step 5: Solve for x
    x = 4,820,444,341.03/104,592.24
  6. Step 6: Final answer
    x = 46,087.97

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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.