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Finding the Fourth Proportional to 146,166.80, 219,250.20 and 57,390.80

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Solution

The fourth proportional to 146,166.80, 219,250.20 and 57,390.80 is: 86,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,166.80 : 219,250.20 = 57,390.80 : x
  2. Step 2: Convert to fraction form
    146,166.80/219,250.20 = 57,390.80/x
  3. Step 3: Cross multiply
    146,166.80x = 219,250.20 × 57,390.80
  4. Step 4: Simplify right side
    146,166.80x = 12,582,944,378.16
  5. Step 5: Solve for x
    x = 12,582,944,378.16/146,166.80
  6. Step 6: Final answer
    x = 86,086.20

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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.