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Finding the Fourth Proportional to 112,889.76, 169,334.64 and 38,003.64

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Solution

The fourth proportional to 112,889.76, 169,334.64 and 38,003.64 is: 57,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889.76 : 169,334.64 = 38,003.64 : x
  2. Step 2: Convert to fraction form
    112,889.76/169,334.64 = 38,003.64/x
  3. Step 3: Cross multiply
    112,889.76x = 169,334.64 × 38,003.64
  4. Step 4: Simplify right side
    112,889.76x = 6,435,332,698.09
  5. Step 5: Solve for x
    x = 6,435,332,698.09/112,889.76
  6. Step 6: Final answer
    x = 57,005.46

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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.