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Finding the Fourth Proportional to 94,356.61, 130,214.11 and 51,915.22

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Solution

The fourth proportional to 94,356.61, 130,214.11 and 51,915.22 is: 71,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,356.61 : 130,214.11 = 51,915.22 : x
  2. Step 2: Convert to fraction form
    94,356.61/130,214.11 = 51,915.22/x
  3. Step 3: Cross multiply
    94,356.61x = 130,214.11 × 51,915.22
  4. Step 4: Simplify right side
    94,356.61x = 6,760,093,908.18
  5. Step 5: Solve for x
    x = 6,760,093,908.18/94,356.61
  6. Step 6: Final answer
    x = 71,644.09

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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.