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Finding the Fourth Proportional to 163,002.60, 244,503.90 and 69,517.80

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Solution

The fourth proportional to 163,002.60, 244,503.90 and 69,517.80 is: 104,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,002.60 : 244,503.90 = 69,517.80 : x
  2. Step 2: Convert to fraction form
    163,002.60/244,503.90 = 69,517.80/x
  3. Step 3: Cross multiply
    163,002.60x = 244,503.90 × 69,517.80
  4. Step 4: Simplify right side
    163,002.60x = 16,997,373,219.42
  5. Step 5: Solve for x
    x = 16,997,373,219.42/163,002.60
  6. Step 6: Final answer
    x = 104,276.70

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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.