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Finding the Fourth Proportional to 269,758.80, 372,038.60 and 162,308.76

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Solution

The fourth proportional to 269,758.80, 372,038.60 and 162,308.76 is: 223,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,758.80 : 372,038.60 = 162,308.76 : x
  2. Step 2: Convert to fraction form
    269,758.80/372,038.60 = 162,308.76/x
  3. Step 3: Cross multiply
    269,758.80x = 372,038.60 × 162,308.76
  4. Step 4: Simplify right side
    269,758.80x = 60,385,123,026.59
  5. Step 5: Solve for x
    x = 60,385,123,026.59/269,758.80
  6. Step 6: Final answer
    x = 223,848.58

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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.