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Finding the Fourth Proportional to 228,166.29, 314,871.57 and 126,186.48

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Solution

The fourth proportional to 228,166.29, 314,871.57 and 126,186.48 is: 174,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,166.29 : 314,871.57 = 126,186.48 : x
  2. Step 2: Convert to fraction form
    228,166.29/314,871.57 = 126,186.48/x
  3. Step 3: Cross multiply
    228,166.29x = 314,871.57 × 126,186.48
  4. Step 4: Simplify right side
    228,166.29x = 39,732,535,070.37
  5. Step 5: Solve for x
    x = 39,732,535,070.37/228,166.29
  6. Step 6: Final answer
    x = 174,138.50

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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.