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Finding the Fourth Proportional to 156,515.31, 234,806.31 and 63,021.06

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Solution

The fourth proportional to 156,515.31, 234,806.31 and 63,021.06 is: 94,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,515.31 : 234,806.31 = 63,021.06 : x
  2. Step 2: Convert to fraction form
    156,515.31/234,806.31 = 63,021.06/x
  3. Step 3: Cross multiply
    156,515.31x = 234,806.31 × 63,021.06
  4. Step 4: Simplify right side
    156,515.31x = 14,797,742,550.89
  5. Step 5: Solve for x
    x = 14,797,742,550.89/156,515.31
  6. Step 6: Final answer
    x = 94,545.02

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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.