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Finding the Fourth Proportional to 99,657.50, 149,460.68 and 29,520.41

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Solution

The fourth proportional to 99,657.50, 149,460.68 and 29,520.41 is: 44,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657.50 : 149,460.68 = 29,520.41 : x
  2. Step 2: Convert to fraction form
    99,657.50/149,460.68 = 29,520.41/x
  3. Step 3: Cross multiply
    99,657.50x = 149,460.68 × 29,520.41
  4. Step 4: Simplify right side
    99,657.50x = 4,412,139,657.57
  5. Step 5: Solve for x
    x = 4,412,139,657.57/99,657.50
  6. Step 6: Final answer
    x = 44,273.03

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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.