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Finding the Fourth Proportional to 58,846.40, 88,442.40 and 51,243.20

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Solution

The fourth proportional to 58,846.40, 88,442.40 and 51,243.20 is: 77,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.40 : 88,442.40 = 51,243.20 : x
  2. Step 2: Convert to fraction form
    58,846.40/88,442.40 = 51,243.20/x
  3. Step 3: Cross multiply
    58,846.40x = 88,442.40 × 51,243.20
  4. Step 4: Simplify right side
    58,846.40x = 4,532,071,591.68
  5. Step 5: Solve for x
    x = 4,532,071,591.68/58,846.40
  6. Step 6: Final answer
    x = 77,015.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.