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Finding the Fourth Proportional to 162,414.11, 224,127.74 and 90,800.80

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Solution

The fourth proportional to 162,414.11, 224,127.74 and 90,800.80 is: 125,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,414.11 : 224,127.74 = 90,800.80 : x
  2. Step 2: Convert to fraction form
    162,414.11/224,127.74 = 90,800.80/x
  3. Step 3: Cross multiply
    162,414.11x = 224,127.74 × 90,800.80
  4. Step 4: Simplify right side
    162,414.11x = 20,350,977,760.87
  5. Step 5: Solve for x
    x = 20,350,977,760.87/162,414.11
  6. Step 6: Final answer
    x = 125,303.01

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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.