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Finding the Fourth Proportional to 219,546.52, 329,430.44 and 86,522.24

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Solution

The fourth proportional to 219,546.52, 329,430.44 and 86,522.24 is: 129,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,546.52 : 329,430.44 = 86,522.24 : x
  2. Step 2: Convert to fraction form
    219,546.52/329,430.44 = 86,522.24/x
  3. Step 3: Cross multiply
    219,546.52x = 329,430.44 × 86,522.24
  4. Step 4: Simplify right side
    219,546.52x = 28,503,060,632.87
  5. Step 5: Solve for x
    x = 28,503,060,632.87/219,546.52
  6. Step 6: Final answer
    x = 129,826.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.