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Finding the Fourth Proportional to 228,234.59, 314,973.00 and 126,258.29

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Solution

The fourth proportional to 228,234.59, 314,973.00 and 126,258.29 is: 174,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,234.59 : 314,973.00 = 126,258.29 : x
  2. Step 2: Convert to fraction form
    228,234.59/314,973.00 = 126,258.29/x
  3. Step 3: Cross multiply
    228,234.59x = 314,973.00 × 126,258.29
  4. Step 4: Simplify right side
    228,234.59x = 39,767,952,455.92
  5. Step 5: Solve for x
    x = 39,767,952,455.92/228,234.59
  6. Step 6: Final answer
    x = 174,241.57

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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.