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Finding the Fourth Proportional to 112,799.70, 169,193.32 and 37,912.12

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Solution

The fourth proportional to 112,799.70, 169,193.32 and 37,912.12 is: 56,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,799.70 : 169,193.32 = 37,912.12 : x
  2. Step 2: Convert to fraction form
    112,799.70/169,193.32 = 37,912.12/x
  3. Step 3: Cross multiply
    112,799.70x = 169,193.32 × 37,912.12
  4. Step 4: Simplify right side
    112,799.70x = 6,414,477,146.53
  5. Step 5: Solve for x
    x = 6,414,477,146.53/112,799.70
  6. Step 6: Final answer
    x = 56,866.08

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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.