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Finding the Fourth Proportional to 228,133.68, 314,826.48 and 126,165.92

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Solution

The fourth proportional to 228,133.68, 314,826.48 and 126,165.92 is: 174,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,133.68 : 314,826.48 = 126,165.92 : x
  2. Step 2: Convert to fraction form
    228,133.68/314,826.48 = 126,165.92/x
  3. Step 3: Cross multiply
    228,133.68x = 314,826.48 × 126,165.92
  4. Step 4: Simplify right side
    228,133.68x = 39,720,372,489.56
  5. Step 5: Solve for x
    x = 39,720,372,489.56/228,133.68
  6. Step 6: Final answer
    x = 174,110.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.