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Finding the Fourth Proportional to 160,954.80, 241,432.20 and 145,921.20

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Solution

The fourth proportional to 160,954.80, 241,432.20 and 145,921.20 is: 218,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,954.80 : 241,432.20 = 145,921.20 : x
  2. Step 2: Convert to fraction form
    160,954.80/241,432.20 = 145,921.20/x
  3. Step 3: Cross multiply
    160,954.80x = 241,432.20 × 145,921.20
  4. Step 4: Simplify right side
    160,954.80x = 35,230,076,342.64
  5. Step 5: Solve for x
    x = 35,230,076,342.64/160,954.80
  6. Step 6: Final answer
    x = 218,881.80

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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.