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Finding the Fourth Proportional to 168,428.49, 252,516.36 and 101,854.98

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Solution

The fourth proportional to 168,428.49, 252,516.36 and 101,854.98 is: 152,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,428.49 : 252,516.36 = 101,854.98 : x
  2. Step 2: Convert to fraction form
    168,428.49/252,516.36 = 101,854.98/x
  3. Step 3: Cross multiply
    168,428.49x = 252,516.36 × 101,854.98
  4. Step 4: Simplify right side
    168,428.49x = 25,720,048,797.47
  5. Step 5: Solve for x
    x = 25,720,048,797.47/168,428.49
  6. Step 6: Final answer
    x = 152,706.05

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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.