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Finding the Fourth Proportional to 161,714.40, 242,571.60 and 146,162.40

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Solution

The fourth proportional to 161,714.40, 242,571.60 and 146,162.40 is: 219,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,714.40 : 242,571.60 = 146,162.40 : x
  2. Step 2: Convert to fraction form
    161,714.40/242,571.60 = 146,162.40/x
  3. Step 3: Cross multiply
    161,714.40x = 242,571.60 × 146,162.40
  4. Step 4: Simplify right side
    161,714.40x = 35,454,847,227.84
  5. Step 5: Solve for x
    x = 35,454,847,227.84/161,714.40
  6. Step 6: Final answer
    x = 219,243.60

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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.