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Finding the Fourth Proportional to 173,905.20, 260,857.80 and 162,154.80

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Solution

The fourth proportional to 173,905.20, 260,857.80 and 162,154.80 is: 243,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,905.20 : 260,857.80 = 162,154.80 : x
  2. Step 2: Convert to fraction form
    173,905.20/260,857.80 = 162,154.80/x
  3. Step 3: Cross multiply
    173,905.20x = 260,857.80 × 162,154.80
  4. Step 4: Simplify right side
    173,905.20x = 42,299,344,387.44
  5. Step 5: Solve for x
    x = 42,299,344,387.44/173,905.20
  6. Step 6: Final answer
    x = 243,232.20

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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.