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Finding the Fourth Proportional to 108,835.68, 150,203.52 and 63,510

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Solution

The fourth proportional to 108,835.68, 150,203.52 and 63,510 is: 87,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.68 : 150,203.52 = 63,510 : x
  2. Step 2: Convert to fraction form
    108,835.68/150,203.52 = 63,510/x
  3. Step 3: Cross multiply
    108,835.68x = 150,203.52 × 63,510
  4. Step 4: Simplify right side
    108,835.68x = 9,539,425,555.20
  5. Step 5: Solve for x
    x = 9,539,425,555.20/108,835.68
  6. Step 6: Final answer
    x = 87,649.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.