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Finding the Fourth Proportional to 172,149.84, 237,602.16 and 108,444.96

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Solution

The fourth proportional to 172,149.84, 237,602.16 and 108,444.96 is: 149,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,149.84 : 237,602.16 = 108,444.96 : x
  2. Step 2: Convert to fraction form
    172,149.84/237,602.16 = 108,444.96/x
  3. Step 3: Cross multiply
    172,149.84x = 237,602.16 × 108,444.96
  4. Step 4: Simplify right side
    172,149.84x = 25,766,756,737.11
  5. Step 5: Solve for x
    x = 25,766,756,737.11/172,149.84
  6. Step 6: Final answer
    x = 149,676.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.