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Finding the Fourth Proportional to 108,339.80, 162,193.48 and 63,222.91

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Solution

The fourth proportional to 108,339.80, 162,193.48 and 63,222.91 is: 94,649.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.80 : 162,193.48 = 63,222.91 : x
  2. Step 2: Convert to fraction form
    108,339.80/162,193.48 = 63,222.91/x
  3. Step 3: Cross multiply
    108,339.80x = 162,193.48 × 63,222.91
  4. Step 4: Simplify right side
    108,339.80x = 10,254,343,788.63
  5. Step 5: Solve for x
    x = 10,254,343,788.63/108,339.80
  6. Step 6: Final answer
    x = 94,649.83

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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.