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Finding the Fourth Proportional to 146,208.80, 219,313.20 and 93,720.80

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Solution

The fourth proportional to 146,208.80, 219,313.20 and 93,720.80 is: 140,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.80 : 219,313.20 = 93,720.80 : x
  2. Step 2: Convert to fraction form
    146,208.80/219,313.20 = 93,720.80/x
  3. Step 3: Cross multiply
    146,208.80x = 219,313.20 × 93,720.80
  4. Step 4: Simplify right side
    146,208.80x = 20,554,208,554.56
  5. Step 5: Solve for x
    x = 20,554,208,554.56/146,208.80
  6. Step 6: Final answer
    x = 140,581.20

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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.