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Finding the Fourth Proportional to 165,796.17, 228,798.68 and 90,344.67

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Solution

The fourth proportional to 165,796.17, 228,798.68 and 90,344.67 is: 124,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,796.17 : 228,798.68 = 90,344.67 : x
  2. Step 2: Convert to fraction form
    165,796.17/228,798.68 = 90,344.67/x
  3. Step 3: Cross multiply
    165,796.17x = 228,798.68 × 90,344.67
  4. Step 4: Simplify right side
    165,796.17x = 20,670,740,789.31
  5. Step 5: Solve for x
    x = 20,670,740,789.31/165,796.17
  6. Step 6: Final answer
    x = 124,675.62

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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.