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Finding the Fourth Proportional to 104,159.54, 156,246.66 and 51,554.90

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Solution

The fourth proportional to 104,159.54, 156,246.66 and 51,554.90 is: 77,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,159.54 : 156,246.66 = 51,554.90 : x
  2. Step 2: Convert to fraction form
    104,159.54/156,246.66 = 51,554.90/x
  3. Step 3: Cross multiply
    104,159.54x = 156,246.66 × 51,554.90
  4. Step 4: Simplify right side
    104,159.54x = 8,055,280,150.40
  5. Step 5: Solve for x
    x = 8,055,280,150.40/104,159.54
  6. Step 6: Final answer
    x = 77,335.98

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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.