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Finding the Fourth Proportional to 165,437.91, 228,344.87 and 93,859.83

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Solution

The fourth proportional to 165,437.91, 228,344.87 and 93,859.83 is: 129,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,437.91 : 228,344.87 = 93,859.83 : x
  2. Step 2: Convert to fraction form
    165,437.91/228,344.87 = 93,859.83/x
  3. Step 3: Cross multiply
    165,437.91x = 228,344.87 × 93,859.83
  4. Step 4: Simplify right side
    165,437.91x = 21,432,410,914.22
  5. Step 5: Solve for x
    x = 21,432,410,914.22/165,437.91
  6. Step 6: Final answer
    x = 129,549.57

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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.