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Finding the Fourth Proportional to 118,773.34, 163,861.60 and 67,788.90

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Solution

The fourth proportional to 118,773.34, 163,861.60 and 67,788.90 is: 93,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,773.34 : 163,861.60 = 67,788.90 : x
  2. Step 2: Convert to fraction form
    118,773.34/163,861.60 = 67,788.90/x
  3. Step 3: Cross multiply
    118,773.34x = 163,861.60 × 67,788.90
  4. Step 4: Simplify right side
    118,773.34x = 11,107,997,277.30
  5. Step 5: Solve for x
    x = 11,107,997,277.30/118,773.34
  6. Step 6: Final answer
    x = 93,522.65

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1.5x scale

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.