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Finding the Fourth Proportional to 104,463.88, 156,758.08 and 37,909.20

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Solution

The fourth proportional to 104,463.88, 156,758.08 and 37,909.20 is: 56,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,463.88 : 156,758.08 = 37,909.20 : x
  2. Step 2: Convert to fraction form
    104,463.88/156,758.08 = 37,909.20/x
  3. Step 3: Cross multiply
    104,463.88x = 156,758.08 × 37,909.20
  4. Step 4: Simplify right side
    104,463.88x = 5,942,573,406.34
  5. Step 5: Solve for x
    x = 5,942,573,406.34/104,463.88
  6. Step 6: Final answer
    x = 56,886.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.