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Finding the Fourth Proportional to 146,644.80, 219,967.20 and 116,901.60

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Solution

The fourth proportional to 146,644.80, 219,967.20 and 116,901.60 is: 175,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,644.80 : 219,967.20 = 116,901.60 : x
  2. Step 2: Convert to fraction form
    146,644.80/219,967.20 = 116,901.60/x
  3. Step 3: Cross multiply
    146,644.80x = 219,967.20 × 116,901.60
  4. Step 4: Simplify right side
    146,644.80x = 25,714,517,627.52
  5. Step 5: Solve for x
    x = 25,714,517,627.52/146,644.80
  6. Step 6: Final answer
    x = 175,352.40

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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.