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Finding the Fourth Proportional to 99,746.92, 149,675.46 and 40,624.21

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Solution

The fourth proportional to 99,746.92, 149,675.46 and 40,624.21 is: 60,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.92 : 149,675.46 = 40,624.21 : x
  2. Step 2: Convert to fraction form
    99,746.92/149,675.46 = 40,624.21/x
  3. Step 3: Cross multiply
    99,746.92x = 149,675.46 × 40,624.21
  4. Step 4: Simplify right side
    99,746.92x = 6,080,447,318.89
  5. Step 5: Solve for x
    x = 6,080,447,318.89/99,746.92
  6. Step 6: Final answer
    x = 60,958.75

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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.