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Finding the Fourth Proportional to 181,424.44, 250,370.86 and 109,817.40

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Solution

The fourth proportional to 181,424.44, 250,370.86 and 109,817.40 is: 151,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,424.44 : 250,370.86 = 109,817.40 : x
  2. Step 2: Convert to fraction form
    181,424.44/250,370.86 = 109,817.40/x
  3. Step 3: Cross multiply
    181,424.44x = 250,370.86 × 109,817.40
  4. Step 4: Simplify right side
    181,424.44x = 27,495,076,880.96
  5. Step 5: Solve for x
    x = 27,495,076,880.96/181,424.44
  6. Step 6: Final answer
    x = 151,551.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.