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Finding the Fourth Proportional to 173,412.60, 260,118.90 and 164,227.20

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Solution

The fourth proportional to 173,412.60, 260,118.90 and 164,227.20 is: 246,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,412.60 : 260,118.90 = 164,227.20 : x
  2. Step 2: Convert to fraction form
    173,412.60/260,118.90 = 164,227.20/x
  3. Step 3: Cross multiply
    173,412.60x = 260,118.90 × 164,227.20
  4. Step 4: Simplify right side
    173,412.60x = 42,718,598,614.08
  5. Step 5: Solve for x
    x = 42,718,598,614.08/173,412.60
  6. Step 6: Final answer
    x = 246,340.80

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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.