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Finding the Fourth Proportional to 77,468.40, 116,116.20 and 44,204.40

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Solution

The fourth proportional to 77,468.40, 116,116.20 and 44,204.40 is: 66,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468.40 : 116,116.20 = 44,204.40 : x
  2. Step 2: Convert to fraction form
    77,468.40/116,116.20 = 44,204.40/x
  3. Step 3: Cross multiply
    77,468.40x = 116,116.20 × 44,204.40
  4. Step 4: Simplify right side
    77,468.40x = 5,132,846,951.28
  5. Step 5: Solve for x
    x = 5,132,846,951.28/77,468.40
  6. Step 6: Final answer
    x = 66,257.30

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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.