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Finding the Fourth Proportional to 58,883.95, 81,266.19 and 51,548.96

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Solution

The fourth proportional to 58,883.95, 81,266.19 and 51,548.96 is: 71,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,883.95 : 81,266.19 = 51,548.96 : x
  2. Step 2: Convert to fraction form
    58,883.95/81,266.19 = 51,548.96/x
  3. Step 3: Cross multiply
    58,883.95x = 81,266.19 × 51,548.96
  4. Step 4: Simplify right side
    58,883.95x = 4,189,187,130.40
  5. Step 5: Solve for x
    x = 4,189,187,130.40/58,883.95
  6. Step 6: Final answer
    x = 71,143.11

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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.