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Finding the Fourth Proportional to 162,433.73, 224,165.54 and 90,813.73

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Solution

The fourth proportional to 162,433.73, 224,165.54 and 90,813.73 is: 125,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,433.73 : 224,165.54 = 90,813.73 : x
  2. Step 2: Convert to fraction form
    162,433.73/224,165.54 = 90,813.73/x
  3. Step 3: Cross multiply
    162,433.73x = 224,165.54 × 90,813.73
  4. Step 4: Simplify right side
    162,433.73x = 20,357,308,824.86
  5. Step 5: Solve for x
    x = 20,357,308,824.86/162,433.73
  6. Step 6: Final answer
    x = 125,326.86

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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.