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Finding the Fourth Proportional to 94,393.89, 130,266 and 51,376.20

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Solution

The fourth proportional to 94,393.89, 130,266 and 51,376.20 is: 70,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,393.89 : 130,266 = 51,376.20 : x
  2. Step 2: Convert to fraction form
    94,393.89/130,266 = 51,376.20/x
  3. Step 3: Cross multiply
    94,393.89x = 130,266 × 51,376.20
  4. Step 4: Simplify right side
    94,393.89x = 6,692,572,069.20
  5. Step 5: Solve for x
    x = 6,692,572,069.20/94,393.89
  6. Step 6: Final answer
    x = 70,900.48

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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.