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Finding the Fourth Proportional to 155,544.40, 233,057.40 and 146,213.20

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Solution

The fourth proportional to 155,544.40, 233,057.40 and 146,213.20 is: 219,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,544.40 : 233,057.40 = 146,213.20 : x
  2. Step 2: Convert to fraction form
    155,544.40/233,057.40 = 146,213.20/x
  3. Step 3: Cross multiply
    155,544.40x = 233,057.40 × 146,213.20
  4. Step 4: Simplify right side
    155,544.40x = 34,076,068,237.68
  5. Step 5: Solve for x
    x = 34,076,068,237.68/155,544.40
  6. Step 6: Final answer
    x = 219,076.15

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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.