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Finding the Fourth Proportional to 113,852.86, 170,787.48 and 43,732.16

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Solution

The fourth proportional to 113,852.86, 170,787.48 and 43,732.16 is: 65,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,852.86 : 170,787.48 = 43,732.16 : x
  2. Step 2: Convert to fraction form
    113,852.86/170,787.48 = 43,732.16/x
  3. Step 3: Cross multiply
    113,852.86x = 170,787.48 × 43,732.16
  4. Step 4: Simplify right side
    113,852.86x = 7,468,905,401.36
  5. Step 5: Solve for x
    x = 7,468,905,401.36/113,852.86
  6. Step 6: Final answer
    x = 65,601.39

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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.