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Finding the Fourth Proportional to 104,172.58, 156,266.16 and 51,567.94

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Solution

The fourth proportional to 104,172.58, 156,266.16 and 51,567.94 is: 77,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,172.58 : 156,266.16 = 51,567.94 : x
  2. Step 2: Convert to fraction form
    104,172.58/156,266.16 = 51,567.94/x
  3. Step 3: Cross multiply
    104,172.58x = 156,266.16 × 51,567.94
  4. Step 4: Simplify right side
    104,172.58x = 8,058,323,962.91
  5. Step 5: Solve for x
    x = 8,058,323,962.91/104,172.58
  6. Step 6: Final answer
    x = 77,355.52

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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.