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Finding the Fourth Proportional to 107,336.60, 160,940.90 and 65,813.40

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Solution

The fourth proportional to 107,336.60, 160,940.90 and 65,813.40 is: 98,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,336.60 : 160,940.90 = 65,813.40 : x
  2. Step 2: Convert to fraction form
    107,336.60/160,940.90 = 65,813.40/x
  3. Step 3: Cross multiply
    107,336.60x = 160,940.90 × 65,813.40
  4. Step 4: Simplify right side
    107,336.60x = 10,592,067,828.06
  5. Step 5: Solve for x
    x = 10,592,067,828.06/107,336.60
  6. Step 6: Final answer
    x = 98,680.86

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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.