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Finding the Fourth Proportional to 93,980.27, 140,720.99 and 73,513.05

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Solution

The fourth proportional to 93,980.27, 140,720.99 and 73,513.05 is: 110,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,980.27 : 140,720.99 = 73,513.05 : x
  2. Step 2: Convert to fraction form
    93,980.27/140,720.99 = 73,513.05/x
  3. Step 3: Cross multiply
    93,980.27x = 140,720.99 × 73,513.05
  4. Step 4: Simplify right side
    93,980.27x = 10,344,828,806.35
  5. Step 5: Solve for x
    x = 10,344,828,806.35/93,980.27
  6. Step 6: Final answer
    x = 110,074.48

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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.