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Finding the Fourth Proportional to 94,294, 130,125.72 and 51,855.28

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Solution

The fourth proportional to 94,294, 130,125.72 and 51,855.28 is: 71,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,294 : 130,125.72 = 51,855.28 : x
  2. Step 2: Convert to fraction form
    94,294/130,125.72 = 51,855.28/x
  3. Step 3: Cross multiply
    94,294x = 130,125.72 × 51,855.28
  4. Step 4: Simplify right side
    94,294x = 6,747,705,645.80
  5. Step 5: Solve for x
    x = 6,747,705,645.80/94,294
  6. Step 6: Final answer
    x = 71,560.29

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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.