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Finding the Fourth Proportional to 146,533.20, 219,799.80 and 53,026.80

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Solution

The fourth proportional to 146,533.20, 219,799.80 and 53,026.80 is: 79,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,533.20 : 219,799.80 = 53,026.80 : x
  2. Step 2: Convert to fraction form
    146,533.20/219,799.80 = 53,026.80/x
  3. Step 3: Cross multiply
    146,533.20x = 219,799.80 × 53,026.80
  4. Step 4: Simplify right side
    146,533.20x = 11,655,280,034.64
  5. Step 5: Solve for x
    x = 11,655,280,034.64/146,533.20
  6. Step 6: Final answer
    x = 79,540.20

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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.