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Finding the Fourth Proportional to 162,416.54, 224,136.42 and 90,800.48

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Solution

The fourth proportional to 162,416.54, 224,136.42 and 90,800.48 is: 125,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,416.54 : 224,136.42 = 90,800.48 : x
  2. Step 2: Convert to fraction form
    162,416.54/224,136.42 = 90,800.48/x
  3. Step 3: Cross multiply
    162,416.54x = 224,136.42 × 90,800.48
  4. Step 4: Simplify right side
    162,416.54x = 20,351,694,521.48
  5. Step 5: Solve for x
    x = 20,351,694,521.48/162,416.54
  6. Step 6: Final answer
    x = 125,305.55

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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.