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Finding the Fourth Proportional to 253,999.08, 380,969.46 and 67,025.16

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Solution

The fourth proportional to 253,999.08, 380,969.46 and 67,025.16 is: 100,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,999.08 : 380,969.46 = 67,025.16 : x
  2. Step 2: Convert to fraction form
    253,999.08/380,969.46 = 67,025.16/x
  3. Step 3: Cross multiply
    253,999.08x = 380,969.46 × 67,025.16
  4. Step 4: Simplify right side
    253,999.08x = 25,534,539,011.61
  5. Step 5: Solve for x
    x = 25,534,539,011.61/253,999.08
  6. Step 6: Final answer
    x = 100,530.05

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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.