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Finding the Fourth Proportional to 162,548.16, 224,325.18 and 90,923.91

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Solution

The fourth proportional to 162,548.16, 224,325.18 and 90,923.91 is: 125,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,548.16 : 224,325.18 = 90,923.91 : x
  2. Step 2: Convert to fraction form
    162,548.16/224,325.18 = 90,923.91/x
  3. Step 3: Cross multiply
    162,548.16x = 224,325.18 × 90,923.91
  4. Step 4: Simplify right side
    162,548.16x = 20,396,522,477.05
  5. Step 5: Solve for x
    x = 20,396,522,477.05/162,548.16
  6. Step 6: Final answer
    x = 125,479.87

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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.