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Finding the Fourth Proportional to 146,809.40, 220,214.10 and 94,321.40

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Solution

The fourth proportional to 146,809.40, 220,214.10 and 94,321.40 is: 141,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,809.40 : 220,214.10 = 94,321.40 : x
  2. Step 2: Convert to fraction form
    146,809.40/220,214.10 = 94,321.40/x
  3. Step 3: Cross multiply
    146,809.40x = 220,214.10 × 94,321.40
  4. Step 4: Simplify right side
    146,809.40x = 20,770,902,211.74
  5. Step 5: Solve for x
    x = 20,770,902,211.74/146,809.40
  6. Step 6: Final answer
    x = 141,482.10

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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.