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Finding the Fourth Proportional to 207,337.77, 311,006.77 and 57,578.06

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Solution

The fourth proportional to 207,337.77, 311,006.77 and 57,578.06 is: 86,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,337.77 : 311,006.77 = 57,578.06 : x
  2. Step 2: Convert to fraction form
    207,337.77/311,006.77 = 57,578.06/x
  3. Step 3: Cross multiply
    207,337.77x = 311,006.77 × 57,578.06
  4. Step 4: Simplify right side
    207,337.77x = 17,907,167,097.04
  5. Step 5: Solve for x
    x = 17,907,167,097.04/207,337.77
  6. Step 6: Final answer
    x = 86,367.12

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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.