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Finding the Fourth Proportional to 108,551.86, 162,806.16 and 29,647.36

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Solution

The fourth proportional to 108,551.86, 162,806.16 and 29,647.36 is: 44,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,551.86 : 162,806.16 = 29,647.36 : x
  2. Step 2: Convert to fraction form
    108,551.86/162,806.16 = 29,647.36/x
  3. Step 3: Cross multiply
    108,551.86x = 162,806.16 × 29,647.36
  4. Step 4: Simplify right side
    108,551.86x = 4,826,772,835.74
  5. Step 5: Solve for x
    x = 4,826,772,835.74/108,551.86
  6. Step 6: Final answer
    x = 44,465.13

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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.