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Finding the Fourth Proportional to 112,737.54, 169,121.87 and 37,879.09

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Solution

The fourth proportional to 112,737.54, 169,121.87 and 37,879.09 is: 56,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,737.54 : 169,121.87 = 37,879.09 : x
  2. Step 2: Convert to fraction form
    112,737.54/169,121.87 = 37,879.09/x
  3. Step 3: Cross multiply
    112,737.54x = 169,121.87 × 37,879.09
  4. Step 4: Simplify right side
    112,737.54x = 6,406,182,534.70
  5. Step 5: Solve for x
    x = 6,406,182,534.70/112,737.54
  6. Step 6: Final answer
    x = 56,823.86

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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.