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Finding the Fourth Proportional to 112,777.99, 169,112.96 and 37,877.33

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Solution

The fourth proportional to 112,777.99, 169,112.96 and 37,877.33 is: 56,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,777.99 : 169,112.96 = 37,877.33 : x
  2. Step 2: Convert to fraction form
    112,777.99/169,112.96 = 37,877.33/x
  3. Step 3: Cross multiply
    112,777.99x = 169,112.96 × 37,877.33
  4. Step 4: Simplify right side
    112,777.99x = 6,405,547,768.63
  5. Step 5: Solve for x
    x = 6,405,547,768.63/112,777.99
  6. Step 6: Final answer
    x = 56,797.85

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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.