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Finding the Fourth Proportional to 73,969.10, 110,953.65 and 73,969.10

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Solution

The fourth proportional to 73,969.10, 110,953.65 and 73,969.10 is: 110,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,969.10 : 110,953.65 = 73,969.10 : x
  2. Step 2: Convert to fraction form
    73,969.10/110,953.65 = 73,969.10/x
  3. Step 3: Cross multiply
    73,969.10x = 110,953.65 × 73,969.10
  4. Step 4: Simplify right side
    73,969.10x = 8,207,141,632.22
  5. Step 5: Solve for x
    x = 8,207,141,632.22/73,969.10
  6. Step 6: Final answer
    x = 110,953.65

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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.