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Finding the Fourth Proportional to 207,547.44, 311,364.89 and 67,295.13

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Solution

The fourth proportional to 207,547.44, 311,364.89 and 67,295.13 is: 100,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,547.44 : 311,364.89 = 67,295.13 : x
  2. Step 2: Convert to fraction form
    207,547.44/311,364.89 = 67,295.13/x
  3. Step 3: Cross multiply
    207,547.44x = 311,364.89 × 67,295.13
  4. Step 4: Simplify right side
    207,547.44x = 20,953,340,749.99
  5. Step 5: Solve for x
    x = 20,953,340,749.99/207,547.44
  6. Step 6: Final answer
    x = 100,956.87

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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.