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Finding the Fourth Proportional to 162,692.82, 224,358.36 and 126,869.76

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Solution

The fourth proportional to 162,692.82, 224,358.36 and 126,869.76 is: 174,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,692.82 : 224,358.36 = 126,869.76 : x
  2. Step 2: Convert to fraction form
    162,692.82/224,358.36 = 126,869.76/x
  3. Step 3: Cross multiply
    162,692.82x = 224,358.36 × 126,869.76
  4. Step 4: Simplify right side
    162,692.82x = 28,464,291,287.19
  5. Step 5: Solve for x
    x = 28,464,291,287.19/162,692.82
  6. Step 6: Final answer
    x = 174,957.27

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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.