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Finding the Fourth Proportional to 68,702.60, 96,261.40 and 68,702.60

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Solution

The fourth proportional to 68,702.60, 96,261.40 and 68,702.60 is: 96,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,702.60 : 96,261.40 = 68,702.60 : x
  2. Step 2: Convert to fraction form
    68,702.60/96,261.40 = 68,702.60/x
  3. Step 3: Cross multiply
    68,702.60x = 96,261.40 × 68,702.60
  4. Step 4: Simplify right side
    68,702.60x = 6,613,408,459.64
  5. Step 5: Solve for x
    x = 6,613,408,459.64/68,702.60
  6. Step 6: Final answer
    x = 96,261.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.