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Finding the Fourth Proportional to 207,673.92, 311,506.40 and 57,910.22

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Solution

The fourth proportional to 207,673.92, 311,506.40 and 57,910.22 is: 86,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,673.92 : 311,506.40 = 57,910.22 : x
  2. Step 2: Convert to fraction form
    207,673.92/311,506.40 = 57,910.22/x
  3. Step 3: Cross multiply
    207,673.92x = 311,506.40 × 57,910.22
  4. Step 4: Simplify right side
    207,673.92x = 18,039,402,453.10
  5. Step 5: Solve for x
    x = 18,039,402,453.10/207,673.92
  6. Step 6: Final answer
    x = 86,864.07

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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.