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Finding the Fourth Proportional to 251,737.05, 377,550.80 and 83,217.57

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Solution

The fourth proportional to 251,737.05, 377,550.80 and 83,217.57 is: 124,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,737.05 : 377,550.80 = 83,217.57 : x
  2. Step 2: Convert to fraction form
    251,737.05/377,550.80 = 83,217.57/x
  3. Step 3: Cross multiply
    251,737.05x = 377,550.80 × 83,217.57
  4. Step 4: Simplify right side
    251,737.05x = 31,418,860,127.56
  5. Step 5: Solve for x
    x = 31,418,860,127.56/251,737.05
  6. Step 6: Final answer
    x = 124,808.25

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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.