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Finding the Fourth Proportional to 168,737.69, 253,500.20 and 98,666.21

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Solution

The fourth proportional to 168,737.69, 253,500.20 and 98,666.21 is: 148,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,737.69 : 253,500.20 = 98,666.21 : x
  2. Step 2: Convert to fraction form
    168,737.69/253,500.20 = 98,666.21/x
  3. Step 3: Cross multiply
    168,737.69x = 253,500.20 × 98,666.21
  4. Step 4: Simplify right side
    168,737.69x = 25,011,903,968.24
  5. Step 5: Solve for x
    x = 25,011,903,968.24/168,737.69
  6. Step 6: Final answer
    x = 148,229.50

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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.