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Finding the Fourth Proportional to 73,937.70, 110,906.55 and 73,281.60

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Solution

The fourth proportional to 73,937.70, 110,906.55 and 73,281.60 is: 109,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,937.70 : 110,906.55 = 73,281.60 : x
  2. Step 2: Convert to fraction form
    73,937.70/110,906.55 = 73,281.60/x
  3. Step 3: Cross multiply
    73,937.70x = 110,906.55 × 73,281.60
  4. Step 4: Simplify right side
    73,937.70x = 8,127,409,434.48
  5. Step 5: Solve for x
    x = 8,127,409,434.48/73,937.70
  6. Step 6: Final answer
    x = 109,922.40

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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.