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Finding the Fourth Proportional to 104,512.59, 144,228.92 and 59,189.45

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Solution

The fourth proportional to 104,512.59, 144,228.92 and 59,189.45 is: 81,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,512.59 : 144,228.92 = 59,189.45 : x
  2. Step 2: Convert to fraction form
    104,512.59/144,228.92 = 59,189.45/x
  3. Step 3: Cross multiply
    104,512.59x = 144,228.92 × 59,189.45
  4. Step 4: Simplify right side
    104,512.59x = 8,536,829,431.80
  5. Step 5: Solve for x
    x = 8,536,829,431.80/104,512.59
  6. Step 6: Final answer
    x = 81,682.31

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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.