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Finding the Fourth Proportional to 162,546.30, 224,303.29 and 90,913.90

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Solution

The fourth proportional to 162,546.30, 224,303.29 and 90,913.90 is: 125,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,546.30 : 224,303.29 = 90,913.90 : x
  2. Step 2: Convert to fraction form
    162,546.30/224,303.29 = 90,913.90/x
  3. Step 3: Cross multiply
    162,546.30x = 224,303.29 × 90,913.90
  4. Step 4: Simplify right side
    162,546.30x = 20,392,286,876.73
  5. Step 5: Solve for x
    x = 20,392,286,876.73/162,546.30
  6. Step 6: Final answer
    x = 125,455.25

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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.