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Finding the Fourth Proportional to 94,647.78, 130,614.93 and 52,205.94

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Solution

The fourth proportional to 94,647.78, 130,614.93 and 52,205.94 is: 72,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,647.78 : 130,614.93 = 52,205.94 : x
  2. Step 2: Convert to fraction form
    94,647.78/130,614.93 = 52,205.94/x
  3. Step 3: Cross multiply
    94,647.78x = 130,614.93 × 52,205.94
  4. Step 4: Simplify right side
    94,647.78x = 6,818,875,198.68
  5. Step 5: Solve for x
    x = 6,818,875,198.68/94,647.78
  6. Step 6: Final answer
    x = 72,044.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.