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Finding the Fourth Proportional to 161,447.20, 242,170.80 and 160,410.40

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Solution

The fourth proportional to 161,447.20, 242,170.80 and 160,410.40 is: 240,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,447.20 : 242,170.80 = 160,410.40 : x
  2. Step 2: Convert to fraction form
    161,447.20/242,170.80 = 160,410.40/x
  3. Step 3: Cross multiply
    161,447.20x = 242,170.80 × 160,410.40
  4. Step 4: Simplify right side
    161,447.20x = 38,846,714,896.32
  5. Step 5: Solve for x
    x = 38,846,714,896.32/161,447.20
  6. Step 6: Final answer
    x = 240,615.60

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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.