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Finding the Fourth Proportional to 99,732.96, 149,599.04 and 40,568.13

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Solution

The fourth proportional to 99,732.96, 149,599.04 and 40,568.13 is: 60,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732.96 : 149,599.04 = 40,568.13 : x
  2. Step 2: Convert to fraction form
    99,732.96/149,599.04 = 40,568.13/x
  3. Step 3: Cross multiply
    99,732.96x = 149,599.04 × 40,568.13
  4. Step 4: Simplify right side
    99,732.96x = 6,068,953,099.75
  5. Step 5: Solve for x
    x = 6,068,953,099.75/99,732.96
  6. Step 6: Final answer
    x = 60,852.03

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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.