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Finding the Fourth Proportional to 73,109.08, 100,884.90 and 41,281.12

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Solution

The fourth proportional to 73,109.08, 100,884.90 and 41,281.12 is: 56,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.08 : 100,884.90 = 41,281.12 : x
  2. Step 2: Convert to fraction form
    73,109.08/100,884.90 = 41,281.12/x
  3. Step 3: Cross multiply
    73,109.08x = 100,884.90 × 41,281.12
  4. Step 4: Simplify right side
    73,109.08x = 4,164,641,663.09
  5. Step 5: Solve for x
    x = 4,164,641,663.09/73,109.08
  6. Step 6: Final answer
    x = 56,964.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.