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Finding the Fourth Proportional to 113,011.50, 169,520.49 and 29,905.50

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Solution

The fourth proportional to 113,011.50, 169,520.49 and 29,905.50 is: 44,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,011.50 : 169,520.49 = 29,905.50 : x
  2. Step 2: Convert to fraction form
    113,011.50/169,520.49 = 29,905.50/x
  3. Step 3: Cross multiply
    113,011.50x = 169,520.49 × 29,905.50
  4. Step 4: Simplify right side
    113,011.50x = 5,069,595,013.70
  5. Step 5: Solve for x
    x = 5,069,595,013.70/113,011.50
  6. Step 6: Final answer
    x = 44,859.11

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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.