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Finding the Fourth Proportional to 232,453.80, 348,680.70 and 66,220.20

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Solution

The fourth proportional to 232,453.80, 348,680.70 and 66,220.20 is: 99,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,453.80 : 348,680.70 = 66,220.20 : x
  2. Step 2: Convert to fraction form
    232,453.80/348,680.70 = 66,220.20/x
  3. Step 3: Cross multiply
    232,453.80x = 348,680.70 × 66,220.20
  4. Step 4: Simplify right side
    232,453.80x = 23,089,705,690.14
  5. Step 5: Solve for x
    x = 23,089,705,690.14/232,453.80
  6. Step 6: Final answer
    x = 99,330.30

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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.