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Finding the Fourth Proportional to 113,574.99, 156,731.37 and 62,592.44

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Solution

The fourth proportional to 113,574.99, 156,731.37 and 62,592.44 is: 86,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574.99 : 156,731.37 = 62,592.44 : x
  2. Step 2: Convert to fraction form
    113,574.99/156,731.37 = 62,592.44/x
  3. Step 3: Cross multiply
    113,574.99x = 156,731.37 × 62,592.44
  4. Step 4: Simplify right side
    113,574.99x = 9,810,198,872.84
  5. Step 5: Solve for x
    x = 9,810,198,872.84/113,574.99
  6. Step 6: Final answer
    x = 86,376.40

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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.