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Finding the Fourth Proportional to 146,270.40, 219,259.80 and 67,246.80

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Solution

The fourth proportional to 146,270.40, 219,259.80 and 67,246.80 is: 100,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,270.40 : 219,259.80 = 67,246.80 : x
  2. Step 2: Convert to fraction form
    146,270.40/219,259.80 = 67,246.80/x
  3. Step 3: Cross multiply
    146,270.40x = 219,259.80 × 67,246.80
  4. Step 4: Simplify right side
    146,270.40x = 14,744,519,918.64
  5. Step 5: Solve for x
    x = 14,744,519,918.64/146,270.40
  6. Step 6: Final answer
    x = 100,803.17

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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.