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Finding the Fourth Proportional to 104,472.10, 156,810.55 and 51,940.90

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Solution

The fourth proportional to 104,472.10, 156,810.55 and 51,940.90 is: 77,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472.10 : 156,810.55 = 51,940.90 : x
  2. Step 2: Convert to fraction form
    104,472.10/156,810.55 = 51,940.90/x
  3. Step 3: Cross multiply
    104,472.10x = 156,810.55 × 51,940.90
  4. Step 4: Simplify right side
    104,472.10x = 8,144,881,096.50
  5. Step 5: Solve for x
    x = 8,144,881,096.50/104,472.10
  6. Step 6: Final answer
    x = 77,962.26

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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.