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Finding the Fourth Proportional to 108,264.88, 162,170.52 and 68,801.68

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Solution

The fourth proportional to 108,264.88, 162,170.52 and 68,801.68 is: 103,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,264.88 : 162,170.52 = 68,801.68 : x
  2. Step 2: Convert to fraction form
    108,264.88/162,170.52 = 68,801.68/x
  3. Step 3: Cross multiply
    108,264.88x = 162,170.52 × 68,801.68
  4. Step 4: Simplify right side
    108,264.88x = 11,157,604,222.47
  5. Step 5: Solve for x
    x = 11,157,604,222.47/108,264.88
  6. Step 6: Final answer
    x = 103,058.39

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1.5x scale

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.