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Finding the Fourth Proportional to 104,592.79, 157,019.19 and 104,113.27

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Solution

The fourth proportional to 104,592.79, 157,019.19 and 104,113.27 is: 156,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,592.79 : 157,019.19 = 104,113.27 : x
  2. Step 2: Convert to fraction form
    104,592.79/157,019.19 = 104,113.27/x
  3. Step 3: Cross multiply
    104,592.79x = 157,019.19 × 104,113.27
  4. Step 4: Simplify right side
    104,592.79x = 16,347,781,323.65
  5. Step 5: Solve for x
    x = 16,347,781,323.65/104,592.79
  6. Step 6: Final answer
    x = 156,299.31

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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.