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Finding the Fourth Proportional to 73,165.94, 109,673.58 and 28,774.70

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Solution

The fourth proportional to 73,165.94, 109,673.58 and 28,774.70 is: 43,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.94 : 109,673.58 = 28,774.70 : x
  2. Step 2: Convert to fraction form
    73,165.94/109,673.58 = 28,774.70/x
  3. Step 3: Cross multiply
    73,165.94x = 109,673.58 × 28,774.70
  4. Step 4: Simplify right side
    73,165.94x = 3,155,824,362.43
  5. Step 5: Solve for x
    x = 3,155,824,362.43/73,165.94
  6. Step 6: Final answer
    x = 43,132.42

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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.