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Finding the Fourth Proportional to 173,702.10, 260,565.30 and 68,507.40

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Solution

The fourth proportional to 173,702.10, 260,565.30 and 68,507.40 is: 102,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,702.10 : 260,565.30 = 68,507.40 : x
  2. Step 2: Convert to fraction form
    173,702.10/260,565.30 = 68,507.40/x
  3. Step 3: Cross multiply
    173,702.10x = 260,565.30 × 68,507.40
  4. Step 4: Simplify right side
    173,702.10x = 17,850,651,233.22
  5. Step 5: Solve for x
    x = 17,850,651,233.22/173,702.10
  6. Step 6: Final answer
    x = 102,765.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.