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Finding the Fourth Proportional to 51,093.36, 77,119.98 and 51,093.36

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Solution

The fourth proportional to 51,093.36, 77,119.98 and 51,093.36 is: 77,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,093.36 : 77,119.98 = 51,093.36 : x
  2. Step 2: Convert to fraction form
    51,093.36/77,119.98 = 51,093.36/x
  3. Step 3: Cross multiply
    51,093.36x = 77,119.98 × 51,093.36
  4. Step 4: Simplify right side
    51,093.36x = 3,940,318,901.33
  5. Step 5: Solve for x
    x = 3,940,318,901.33/51,093.36
  6. Step 6: Final answer
    x = 77,119.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.